ClassyFire: Listing 4825 chemical categories

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Name	ChemOnt ID	Description
N-acetoxyarylamines	CHEMONTID:0003900	Arylamines that contain an acetytoxy group attached to the nitrogen.
N-acetyl-2-arylethylamines	CHEMONTID:0004252	Compounds containing an acetamide group that is N-linked to an arylethylamine.
N-acetylarylamines	CHEMONTID:0004506	Acetamides where one or more amide hydrogens is substituted by an aryl group.
N-acyl amines	CHEMONTID:0001096	Compounds containing a fatty acid moiety linked to an amine group through an ester linkage.
N-acyl ureas	CHEMONTID:0002023	Compounds containing an urea bearing a N-acyl group.
N-acyl-aliphatic L-alpha-amino-acids	CHEMONTID:0004278	L-alpha amino acids carrying a N-acylated aliphatic chain.
N-acyl-aliphatic-alpha amino acids	CHEMONTID:0003211	Alpha amino acids carrying a N-acylated aliphatic chain.
N-acyl-alpha amino acids	CHEMONTID:0002402	Compounds containing an alpha amino acid which bears an acyl group at its terminal nitrogen atom.
N-acyl-alpha amino acids and derivatives	CHEMONTID:0001189	Compounds containing an alpha amino acid (or a derivative thereof) which bears an acyl group at its terminal nitrogen atom.
N-acyl-alpha-hexosamine-1-phosphates	CHEMONTID:0001380	N-acyl hexosamines in which the hexose is substituted by a phosphate group at position 1.
N-acyl-alpha-hexosamine-6-phosphates	CHEMONTID:0002281	N-acyl hexosamines in which the hexose is substituted by a phosphate group at position 6.
N-acyl-alpha-hexosamines	CHEMONTID:0002276	Carbohydrate derivatives containing a hexose moiety in which the oxygen atom is replaced by an n-acyl group.
N-acyl-aromatic L-alpha-amino-acids	CHEMONTID:0004279	L-alpha amino acids carrying a N-acylated aromatic chain.
N-acyl-aromatic-alpha amino acids	CHEMONTID:0003212	Alpha amino acids carrying a N-acylated aromatic chain.
N-acyl-L-alpha-amino acids	CHEMONTID:0004148	N-acylated alpha amino acids which have the L-configuration of the alpha-carbon atom.
N-acyl-L-glutamines	CHEMONTID:0004267	N-acylated glutamine which has the L-configuration of the alpha-carbon atom.
N-acyl-phenylthioureas	CHEMONTID:0002981	Thiourea derivatives where one nitrogen atom of the urea group is linked to a phenyl group and the other is acylated.
N-acyl-phenylureas	CHEMONTID:0002982	Urea derivatives where one nitrogen atom of the urea group is linked to a phenyl group and the other is acylated.
N-acyl-phosphatidylethanolamines	CHEMONTID:0003186	Phosphatidylethanolamines with a N-acylated ethanolamine moiety.
N-acylcarbazoles	CHEMONTID:0004720	Aromatic heteropolycyclic compounds containing a carbazole moiety, which is N-acylated.
N-acyldopamines	CHEMONTID:0004272	Aromatic heterocyclic compounds containing a dopamine, in which the amine group is acylated.
N-acylethanolamines	CHEMONTID:0001145	Compounds containing an N-acyethanolamine moiety, which is characterized by an acyl group is linked to the nitrogen atom of ethanolamine.
N-acylglutathiones	CHEMONTID:0003051	Any glutathione derivative with a N-acyl substituent.
N-acylimidazoles	CHEMONTID:0004786	Compounds containing an imidazole ring, which is N-substituted by an acyl group.
N-acylimines	CHEMONTID:0003091	N-acyl derivatives of imines. Imines are compounds containing an imine functional group, with the general structure RN=CR2 (R = H, hydrocarbyl).
N-acylneuraminate-9-phosphates	CHEMONTID:0004261	Neuraminic acids carrying an N-acyl substituent, as well as a phosphate group at the O9-position.
N-acylneuraminic acids	CHEMONTID:0003048	Neuraminic acids carrying an N-acyl substituent.
N-acylneuraminic acids and derivatives	CHEMONTID:0003049	Neuraminic acids (or derivatives thereof) carrying an N-acyl substituent.
N-acylphosphoramidothioic acid and derivatives	CHEMONTID:0004666	Compounds containing phosphoramidothioic acid or a derivative thereof, which is N-acylated.
N-acylpiperidines	CHEMONTID:0000335	Compounds containing an N-acyethanolamine moiety, which is characterized by an acyl group is linked to the nitrogen atom of a piperidine.
N-acylpyrrolidines	CHEMONTID:0003023	N-Acylated Pyrrolidine derivatives. Pyrrolidine is a five-membered saturated aliphatic heterocycle with one nitrogen atom and four carbon atoms.
N-acylserotonins	CHEMONTID:0004271	Aromatic heterocyclic compounds containing a serotonin, in which the amine group is acylated.
N-acylsphinganines	CHEMONTID:0002962	Sphingolipids containing a N-acylated sphinganine.
N-acylsphingosines	CHEMONTID:0002961	Sphingolipids containing a N-acylated sphingosine.
N-aliphatic s-triazines	CHEMONTID:0003080	N-aliphatic amine derivatives of 1,3,5-triazines. 1,3,5-triazines are aromatic compounds having three nitrogen ring atoms at the 1-, 3-, and 5- positions.
N-alkyl sulfonyl hydrazones	CHEMONTID:0003296	Organonitrogen compounds containing a hydrazone derivative with the generic structure R1C(R2)=NN(R4)S(R3)(=O)=O where R4 = alkyl group and R1-R3 = H or organyl group.
N-alkyl-O-phenylhydroxylamines	CHEMONTID:0004652	Hydroxylamines that are O-substituted with a phenyl group, and N-substituted by an alkyl group.
N-alkylated hydrazones	CHEMONTID:0003295	Organonitrogen compounds containing a hydrazone group that is substituted with an alkyl group. They have the generic structure RNN=C(R')R\" (R= alkyl group; R',R\"= H or organyl group).
N-alkylindoles	CHEMONTID:0004197	Compounds containing an indole moiety that carries an alkyl chain at the 1-position.
N-alkylpiperazines	CHEMONTID:0003357	Organic compounds containing a piperazine ring where the nitrogen ring atom carries an alkyl group.
N-alkylpyrrolidines	CHEMONTID:0003449	Compounds containing a pyrrolidine moiety that is substituted at the N1-position with an alkyl group. Pyrrolidine is a five-membered saturated aliphatic heterocycle with one nitrogen atom and four carbon atoms.
N-amidino-alpha amino acids	CHEMONTID:0002186	Alpha amido acids carrying an amidine group attached to their N-terminal.
N-aryl-N-hydroxylamides	CHEMONTID:0003283	Organic aromatic compounds containing a benzene ring N-linked to a N-hydroxylamide group. They have the generic structure [H]ON(R)C(R')=O, where R= aryl group, R'= organyl group.
N-aryl-N-phenylhydroxylamines	CHEMONTID:0004653	Hydroxylamines that are N,N-disubstituted by a phenyl and another aryl group.
N-arylamides	CHEMONTID:0003282	Organic compounds that contain a carboxamide group that is N-linked to a aryl group. They have the generic structure RC(=O)N(R')H, R = organyl group and R'= aryl group.
N-arylated-2-aminothiophenes	CHEMONTID:0004006	Organic compounds containing an arylated amino group conjugated to a thiophene ring at the 2-position.
N-arylpiperazines	CHEMONTID:0003359	Organic compounds containing a piperazine ring where the nitrogen ring atom carries an aryl group.
N-benzoyl-N'-phenylureas	CHEMONTID:0004513	N-acyl-phenylureas that have the acyl group substituted by a phenyl group.
N-benzoylpiperidines	CHEMONTID:0002621	Heterocyclic Compounds containing a piperidine ring conjugated to a benzyl group through one nitrogen ring atom.
N-benzoylpyrazoles	CHEMONTID:0004414	Aromatic heterocyclic compounds containing a pyrazole ring that is N-substituted at the 1-position by a benzoyl group.
N-benzylalanines	CHEMONTID:0002620	N-benzyl derivatives of alanine.
N-benzylbenzamides	CHEMONTID:0003469	Compounds containing a benzamide moiety that is N-linked to a benzyl group.
N-benzylpiperidines	CHEMONTID:0002622	Heterocyclic Compounds containing a piperidine ring conjugated to a benzyl group through one nitrogen ring atom.
N-carbamoyl-alpha amino acids	CHEMONTID:0002403	Compounds containing an alpha amino acid which bears an carbamoyl group at its terminal nitrogen atom.
N-carbamoyl-alpha amino acids and derivatives	CHEMONTID:0001224	Compounds containing an alpha amino acid (or a derivative thereof) which bears an carbamoyl group at its terminal nitrogen atom.
N-cinnamoylanthranilic acids	CHEMONTID:0004561	Aromatic compounds containing a cinnamic acid conjugated to an anthranilic acid.
N-demethylbenzophenanthridine alkaloids	CHEMONTID:0002668	Alkaloids containing a N-demethylbenzophenanthridine skeleton, which consists of a benzene ring fused to one benzene moiety of the tricyclic phenanthiridine system. These compounds do not carry a methyl group at the N-atom of the phenanthridine moiety, in contrast to other benzophenanthridine alkaloids.
N-epsilon-acyl lysines	CHEMONTID:0001588	Lysine derivatives containing an acyl group linked to the N-epsilon atom of lysine.
N-formyl-alpha amino acids	CHEMONTID:0002964	Compounds containing an alpha amino acid which bears a formyl group at its terminal nitrogen atom.
N-formyl-alpha amino acids and derivatives	CHEMONTID:0002965	Compounds containing an alpha amino acid (or a derivative thereof) which bears a formyl group at its terminal nitrogen atom.
N-glucuronides	CHEMONTID:0002814	Glucuronides in which the aglycone is linked to the carbohydrate unit through a N-glycosidic bond.
N-hydroxyguanidines	CHEMONTID:0003280	Compounds containing a guanidine group in which one of the hydrogens attached to the nitrogen at position 1 is substituted by a hydroxyl group.
N-hydroxyl-alpha-amino acids	CHEMONTID:0003350	Alpha amino acids that carry a hydroxyl group at the N-terminal.
N-linked disaccharides	CHEMONTID:0004101	Compounds containing two carbohydrate moieties linked to each to each other through a N-glycosidic bond.
N-methylnitrosoureas	CHEMONTID:0002444	Organonitrogen compounds with the general formula H3CN(N=O)R(N)=O (R = any atom).
N-methylpiperazines	CHEMONTID:0003358	Organic compounds containing a piperazine ring where the nitrogen ring atom carries a methyl group.
N-methylpyridinium compounds	CHEMONTID:0004543	Methylpyridines that carry a methyl group at the 1-position.
N-methylpyrroles	CHEMONTID:0002809	Organic heterocyclic compounds containing a N-methylated pyrrole.
N-nitrosated N-hydroxyguanidines	CHEMONTID:0003281	Compounds containing a guanidine group in which one of the hydrogens attached to the nitrogen at position 1 is substituted by a hydroxyl group, while the other hydrogen is substituted by a nitroso group.
N-organohydroxylamines	CHEMONTID:0000158	Organic compounds comprising the hydroxylamine functional group, with the general structure R1ON(R2)R3 (R1,R3=H, organyl; R2 = organyl).
N-phenylhydroxylamines	CHEMONTID:0004650	Hydroxylamines that are N-substituted with a phenyl group.
N-phenylthioureas	CHEMONTID:0002980	Compounds containing a N-phenylthiourea moiety, which is structurally characterized by a phenyl group linked to one nitrogen atom of a thiourea group.
N-phenylureas	CHEMONTID:0001935	Compounds containing a N-phenylurea moiety, which is structurally characterized by a phenyl group linked to one nitrogen atom of a urea group.
N-piperazineacetamides	CHEMONTID:0002516	Heterocyclic compounds containing a piperazine ring, which N-substituted with an acetamide group.
N-silyl compounds	CHEMONTID:0004698	Organosilicon compounds containing at least one silicon-nitrogen bond.
N-substituted alpha-imino acids	CHEMONTID:0004115	Alpha imino acids in which the N-atom of the imino group is substituted. They have the generic structure RN=CC(=O)OH or RN=CC(=O)[O-] (salt form), where R is a non-hydrogen atom.
N-substituted carboxylic acid imides	CHEMONTID:0001658	Compounds comprising an N-substituted carboxylic acid imide group, with the general structure R1N(C(R2)=O)C(R3)=O (R2,R3=H, alkyl, aryl; R1=Anything but H).
N-substituted imidazoles	CHEMONTID:0002311	Heterocyclic compounds containing an imidazole ring substituted at position 1.
N-substituted N'-hydroxyguanidines	CHEMONTID:0003571	Compounds containing a guanidine group in which one of the hydrogens attached to the nitrogen at position 1 is substituted by a hydroxyl group, while the nitrogen at position 2 is substituted.
N-substituted nicotinamides	CHEMONTID:0002254	Nicotnamides in which the pyridine ring is substituted at position 1.
N-substituted phenoxazines	CHEMONTID:0002558	Phenoxyazines where the nitrogen atom is linked to an atom other than the hydrogen atom.
N-substituted pyrroles	CHEMONTID:0002258	Heterocyclic compounds containing a pyrrole ring substituted at position 1.
N-sulfenyl-N'-sulfonyl-ureas	CHEMONTID:0004514	Urea derivatives that carry a sulfonyl group at one nitrogen atom of the urea backbone, and a sulfenyl group at the other nitrogen atom.
N-sulfinylhydrazines	CHEMONTID:0001265	Organonitrogen compounds with the general formula RN(R')N=S=O (R,R' = H or organyl).
N-sulfonyl-1,2,3-triazoles	CHEMONTID:0001121	Cyclic compounds containing a sulfonyl group attached to an N atoms of a 1,2,3-triazole ring.
N-sulfonyl-1,2,4-triazoles	CHEMONTID:0002093	Cyclic compounds containing a sulfonyl group attached to an N atoms of a 1,2,4-triazole ring.
N-sulfonyloxaziridines	CHEMONTID:0003093	N-sulfonyl derivatives of oxaziridines, which are compounds containing a three-membered ring made up of an oxygen atom, a carbon atom, and a nitrogen atom.
N-unsubstituted carboxylic acid imides	CHEMONTID:0001659	Compounds comprising an N-unsubstituted carboxylic acid imide group, with the general structure R1N(C(R2)=O)C(R3)=O (R1,R2,R3=H, alkyl, aryl).
N-vinylaziridines	CHEMONTID:0004080	Compounds containing an aziridine ring where the nitrogen atom is substituted by a vinyl group.
N,N-dialkyl-m-toluamides	CHEMONTID:0004223	Aromatic that contain a m-toluamide, where the carboxamide group is N- substituted with two alkyl chains.
N,N-dialkyl-p-toluamides	CHEMONTID:0004224	Aromatic that contain a m-toluamide, where the carboxamide group is N- substituted with two alkyl chains.
N,N-diphenylcarbamic acids	CHEMONTID:0000623	Compounds containing two phenyl groups linked to the nitrogen atom of a carbamic acid.
N,N-disubstituted p-toluenesulfonamides	CHEMONTID:0004518	P-toluenesulfonamide derivatives in which the sulfonamide moiety is N,N-disubstituted.
N,N'-diacyl ureas	CHEMONTID:0002024	Compounds containing a N-acyl group on each nitrogen atom of an urea.
N,S-acetals	CHEMONTID:0004116	Organosulfur compounds with the generic structure RC(SR')N([H])C=O, where R,R'= H or organyl group.
N'-substituted-N,N'-diacylhydrazines	CHEMONTID:0004816	Hydrazine derivatives where the hydrazine group is N-acylated at both nitrogen atoms, only one of which is substituted.
Napelline-type diterpenoid alkaloids	CHEMONTID:0003784	Alkaloid diterpenoids with a structure based on the napelline skeleton, which is a hexacyclic compound, with an additional C-20-C-7 bond in the kaurane-type.
Naphthacenes	CHEMONTID:0000022	Compounds containing a naphthacene moiety, which is a polyaromatic hydrocarbon made of four linearly fused benzene rings.
Naphthalene sulfonamides	CHEMONTID:0003593	Organic aromatic compounds that contain a naphthalene moiety that carries a sulfonamide (or a derivative thereof) at one or more positions. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
Naphthalene sulfonates	CHEMONTID:0003310	Organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at one or more positions. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
Naphthalene sulfonic acids and derivatives	CHEMONTID:0003597	Organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group (or a derivative thereof) at one or more positions. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
Naphthalene-1-carboxanilides	CHEMONTID:0004686	Naphthalene-1-carboxamides, where the carboxamide group is substituted with an aniline.
Naphthalene-2-carboxanilides	CHEMONTID:0004687	Naphthalene-2-carboxamides, where the carboxamide group is substituted with an aniline.
Naphthalenecarboxamides	CHEMONTID:0002349	Compounds containing a naphthalene moiety, which bears a carboxylic acid amide group at one or more positions. Naphthalene is a bicyclic compound that is made up of two fused benzene rings.
Naphthalenecarboxylic acids	CHEMONTID:0002421	Compounds containing a naphthalene moiety, which bears a carboxylic acid group one or more positions. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
Naphthalenecarboxylic acids and derivatives	CHEMONTID:0001871	Compounds containing a naphthalene moiety, which bears a carboxylic acid group or a derivative at one or more positions. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
Naphthalenes	CHEMONTID:0000023	Compounds containing a naphthalene moiety, which consists of two fused benzene rings.
Naphthofurans	CHEMONTID:0001634	Compounds containing a furan ring fused to a naphthalene moiety. Furan is a 5 membered- ring aromatic ring with four carbon and one oxygen atoms. Naphthalene is a polycyclic aromatic hydrocarbon made up of two fused benzene rings.
Naphthohydroquinones	CHEMONTID:0001870	Compounds containing a naphthohydroquinone moiety, which consists of a benzene ring fused to a bezene-1,4-diol (hydroquinone).
Naphthols and derivatives	CHEMONTID:0002441	Naphthalene derivatives carrying one or more hydroxyl (-OH) groups at any ring position.
Naphthopyranone glycosides	CHEMONTID:0001646	Compounds containing a carbohydrate moiety glycosidically linked to a naphthopyranone moiety.
Naphthopyranones	CHEMONTID:0001641	Compounds containing a naphthopyran skeleton where a ring carbon bears a carboxylic acid group. Naphthtopyran is made up of the pyran ring fused to a naphthalene ring system.
Naphthopyrans	CHEMONTID:0001640	Compounds containing a pyran ring fused to a naphthalene moiety. Furan is a 6 membered-ring non-aromatic ring with five carbon and one oxygen atoms. Naphthalene is a polycyclic aromatic hydrocarbon made up of two fused benzene rings.
Naphthoquinones	CHEMONTID:0000153	Compounds containing a naphthohydroquinone moiety, which consists of a benzene ring linearly fused to a bezene-1,4-dione (quinone).
Naphthothiazoles	CHEMONTID:0002114	Polycyclic aromatic compounds containing a thiazole fused to a naphthalene. Thiazole is a 5-membered aromatic ring containing three carbon, one oxygen, and one nitrogen atom. Naphthalene is a polycyclic aromatic hydrocarbon made up of two fused benzene rings.
Naphthothiophenes	CHEMONTID:0002572	Compounds containing a naphthalene (or a derivative) fused to thiophene.
Naphthoylindoles	CHEMONTID:0002247	Polycyclic compounds containing an indole moiety that is N-linked to the carboxamide group attached to naphthalene.
Naphthylisoquinolines	CHEMONTID:0002195	Polycyclic aromatic compounds containing a naphthalene moiety linked to an isoquinoline through a CC or CN single bond.
Naphthylquinolines	CHEMONTID:0002196	Polycyclic aromatic compounds containing a naphthene moiety linked to a quinoline through a CC or CN single bond.
Naphthyridine carboxylic acids and derivatives	CHEMONTID:0001858	Compounds containing a naphthyridine moiety, where one of the ring atoms bears a carboxylic acid group.
Naphthyridines	CHEMONTID:0001857	Compounds containing a naphthyridine moiety, a naphthalene in which a carbon atom has been replaced by a nitrogen in each of the two rings. The naphthyridine skeleton can also be described as an assembly two fused pyridine rings, which do not share their nitrogen atom.
Neoflavans	CHEMONTID:0002581	Neoflavonoids with a structure based on a 3,4-dihydro-4-aryl-2H-1-benzopyran skeleton.
Neoflavenes	CHEMONTID:0002582	Neoflavonoids with a structure based on a 4-phenylchromene skeleton.
Neoflavones	CHEMONTID:0001389	Neoflavonoids with a structure based on the 4-phenylcoumarin skeleton.
Neoflavonoid 5-O-glycosides	CHEMONTID:0002897	5-O-glycosylated neoflavonoids. Neoflavonoids are compounds with a structure based on the 4-phenylchromene backbone.
Neoflavonoid 7-O-glycosides	CHEMONTID:0002935	7-O-glycosylated neoflavonoids. Neoflavonoids are compounds with a structure based on the 4-phenylchromene backbone.
Neoflavonoids	CHEMONTID:0001614	Compounds with a structure based on the 4-phenylchromene backbone.
Neuraminic acids	CHEMONTID:0003050	Carbohydrate derivatives containing a neuraminic acid moiety.
Neuraminic acids and derivatives	CHEMONTID:0001258	Compounds containing or derived from a neuraminic acid moiety (5-amino-3,5-dideoxy-D-glycero-D-galacto-non-2-ulosonic acid), which is a 9-carbon monosaccharide.
Neutral glycosphingolipids	CHEMONTID:0001419	Glycosphingolipids in which the ceramide skeleton is bound to an oligosaccharide (usually 3 to 5 units) moiety made up of a glucose (as primary unit bound to the ceramide moiety) and galactose (Gal), N-acetylglucosamine (GlcNAc), N-acetylgalactosamine (GalNAc) or mannose (Man) as the other monosaccharides.
Nicotinamide nucleotides	CHEMONTID:0001268	Pyridine nucleotides, in which the pyridine base is nicotinamide or a derivative thereof.
Nicotinamides	CHEMONTID:0002253	Heterocyclic aromatic compounds containing a pyridine ring substituted at position 3 by a carboxamide group.
Nicotinic acid nucleotides	CHEMONTID:0001300	Pyridine nucleotides, in which the pyridine base is nicotinic acid or a derivative thereof.
Nitramines	CHEMONTID:0002459	Organyl derivatives of nitramide with the general formula RNHO2 (R = organyl group).
Nitrate esters	CHEMONTID:0000063	Compounds containing a nitrate ester functional group, with the general structure RON+(=O)O, (R cannot be a hydrogen).
Nitrile imides	CHEMONTID:0002461	Organic compounds with the general structure RC#[N+][N-]R, R[C+]=N=[N-]R, or R[C-]=[N+]=NR.
Nitrile oxides	CHEMONTID:0003687	Ylides having the structure RC#[N+][O-] or R[C-]=[N+]=O.
Nitrile selenides	CHEMONTID:0003695	Organonitrogen compounds containing a nitrogen-selenium bond. They have the general structure R-C#NSe, where R = any atom.
Nitrile sulfides	CHEMONTID:0003689	Sulfur analogues of nitrile oxides with the general structure RC#[N+][S-] or R[C-]=[N+]=S.
Nitrile ylides	CHEMONTID:0003193	1,3-Dipolar Compounds having the general structure RC#[N+][C-], R[C-]=[N+]=C, R[C+]=N[C-].
Nitriles	CHEMONTID:0000362	Compounds having the structure RC#N; thus C-substituted derivatives of hydrocyanic acid, HC#N.
Nitrimines	CHEMONTID:0004554	Compounds having the structure O2NN=CR2 (also called N-nitroimines).
Nitrite esters	CHEMONTID:0002376	Ester derivatives of nitro compounds.
Nitro fatty acids	CHEMONTID:0000471	Fatty acids containing a nitro group.
Nitroaromatic compounds	CHEMONTID:0004612	C-nitro compounds where the nitro group is C-substituted with an aromatic group.
Nitrobenzaldehydes	CHEMONTID:0004613	Nitrobenzenes that carry an aldehyde group at any position of the benzene ring.
Nitrobenzenes	CHEMONTID:0000036	Compounds containing a nitrobenzene moiety, which consists of a benzene ring with a carbon bearing a nitro group.
Nitrobenzoic acids and derivatives	CHEMONTID:0001992	Compounds containing a nitrobenzoic acid moiety, which consists of a benzene ring bearing both a carboxylic acid group and a nitro group on two different ring carbon atoms.
Nitrofurans	CHEMONTID:0000194	Compounds containing a furan ring which bears a nitro group.
Nitrogen mustard compounds	CHEMONTID:0000398	Compounds having two beta-haloalkyl groups bound to a nitrogen atom.
Nitroguanidines	CHEMONTID:0004667	Organonitrogen compounds containing a nitro group, which is N-linked to a guanidine.
Nitrohalothiophenes	CHEMONTID:0004339	Aromatic heterocyclic compound containing a thiophene ring that carries a nitro group, as well as an halogen atom.
Nitroimidazoles	CHEMONTID:0000242	Compounds containing an imidazole ring which bears a nitro group.
Nitronaphthalenes	CHEMONTID:0002275	Polycyclic aromatic compounds containing a naphthalene moiety substituted by one or more nitro groups.
Nitrones	CHEMONTID:0002397	N-oxides of imines, with the general structure R1C(R2)=[N+](R3)[O-] (R3 is not an Hydrogen atom).
Nitronic acids	CHEMONTID:0002538	Organic compounds containing the nitronate functional group with the general formula RC=N+(O)OH or RCN+(=O)OH.
Nitrophenols	CHEMONTID:0000141	Compounds containing a nitrophenol moiety, which consists of a benzene ring bearing both a hydroxyl group and a nitro group on two different ring carbon atoms.
Nitrophenyl ethers	CHEMONTID:0004671	Aromatic compounds containing a nitrobenzene moiety that carries an ether group on the benzene ring.
Nitropyrimidines	CHEMONTID:0001927	Compounds containing a pyrimidine ring which bears a nitro group. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions.
Nitroquinolines and derivatives	CHEMONTID:0001155	Compounds containing a nitro group attached to a quinoline moiety.
Nitrosamides	CHEMONTID:0003947	Organonitrogen compounds with the general formula O=CN(R)-N=O, where R=H or organyl group.
Nitrosimines	CHEMONTID:0000366	Compounds containing the nitrosimine functional group, with the general structure O=NN=CR2.
Nitrosopiperidines	CHEMONTID:0002442	Piperidines with a nitroso functional group attached to the piperidine ring.
Nitrosothiols	CHEMONTID:0002443	nitroso compounds containing the nitrosothiol group, with the general formula RS=N=O.
Nitrosoureas	CHEMONTID:0001229	Compounds containing a nitro group and an urea group N-N linked together, with the general structure R1N(R2)C(=O)N(R3)N=O.
Nitrothiazoles	CHEMONTID:0000225	Compounds containing a thiazole ring which bears a nitro group.
Nitrothiophenes	CHEMONTID:0004336	Aromatic heterocyclic compound containing a nitro group attached to a thiophene ring.
Nitrotoluenes	CHEMONTID:0004108	Organic aromatic compounds containing a benzene that carries a single methyl group and at least 1 nitro group.
Non-metal bisulfites	CHEMONTID:0001398	Inorganic non-metallic compounds containing a bisulfite as its largest oxoanion.
Non-metal bromates	CHEMONTID:0001048	Inorganic non-metallic compounds containing a bromate as its largest oxoanion.
Non-metal chlorates	CHEMONTID:0001049	Inorganic non-metallic compounds containing a chlorate as its largest oxoanion.
Non-metal chlorites	CHEMONTID:0001050	Inorganic non-metallic compounds containing a chlorite as its largest oxoanion.
Non-metal chromates	CHEMONTID:0001051	Inorganic non-metallic compounds containing a chromate as its largest oxoanion.
Non-metal chromites	CHEMONTID:0001052	Inorganic non-metallic compounds containing a chromite as its largest oxoanion.
Non-metal cyanates	CHEMONTID:0001053	Inorganic non-metallic compounds containing a cyanate as its largest oxoanion.
Non-metal dithionites	CHEMONTID:0001086	Inorganic non-metallic compoundscontaining a dithionite as its largest oxoanion.
Non-metal dithiophosphates	CHEMONTID:0002290	Inorganic compounds in which the largest oxoanion is dithiophosphate, and in which the heaviest atom not in an oxoanion is a non-metal element.
Non-metal hydroxides	CHEMONTID:0001055	Inorganic non-metallic compounds containing the hydroxide group as its largest oxoanion.
Non-metal hypobromites	CHEMONTID:0001056	Inorganic non-metallic compound scontaining a hypobromite as its largest oxoanion.
Non-metal hypochlorites	CHEMONTID:0001057	Inorganic non-metallic compounds containing a hypochlorite as its largest oxoanion.
Non-metal hyponitrites	CHEMONTID:0001058	Inorganic non-metallic compounds containing a hyponitrite as its largest oxoanion.
Non-metal hypophosphites	CHEMONTID:0001059	Inorganic non-metallic compounds containing a hypophosphite as its largest oxoanion.
Non-metal hyposulfites	CHEMONTID:0001087	Inorganic non-metallic compoundscontaining a hyposulfite as its largest oxoanion.
Non-metal iodates	CHEMONTID:0001060	Inorganic non-metallic compounds containing a iodate as its largest oxoanion.
Non-metal metavanadates	CHEMONTID:0003291	Inorganic non-metallic compounds containing a metavanadate as its largest oxoanion.
Non-metal nitrates	CHEMONTID:0001062	Inorganic non-metallic compoundscontaining a nitrate as its largest oxoanion.
Non-metal nitrites	CHEMONTID:0001061	Inorganic non-metallic compounds containing a nitrite as its largest oxoanion.
Non-metal orthonitrates	CHEMONTID:0001063	Inorganic non-metallic compoundscontaining a orthonitrate as its largest oxoanion.
Non-metal orthovanadates	CHEMONTID:0003290	Inorganic non-metallic compounds containing a orthovanadate as its largest oxoanion.
Non-metal oxoanionic compounds	CHEMONTID:0000435	Inorganic non-metallic compounds containing an oxoanion.
Non-metal perbromates	CHEMONTID:0001064	Inorganic non-metallic compoundscontaining a perbromate as its largest oxoanion.
Non-metal perchlorates	CHEMONTID:0001065	Inorganic non-metallic compoundscontaining a perchlorate as its largest oxoanion.
Non-metal periodates	CHEMONTID:0001066	Inorganic non-metallic compoundscontaining a periodate as its largest oxoanion.
Non-metal permanganates	CHEMONTID:0001067	Inorganic non-metallic compounds containing a permanganate as its largest oxoanion.
Non-metal peroxodisulfates	CHEMONTID:0001082	Inorganic non-metallic compoundscontaining a peroxodisulfate as its largest oxoanion.
Non-metal peroxomonosulfates	CHEMONTID:0001081	Inorganic non-metallic compoundscontaining a peroxomonosulfate as its largest oxoanion.
Non-metal peroxynitrates	CHEMONTID:0001068	Inorganic non-metallic compoundscontaining a peroxynitrate as its largest oxoanion.
Non-metal peroxynitrites	CHEMONTID:0001069	Inorganic non-metallic compoundscontaining a peroxynitrite as its largest oxoanion.
Non-metal perrhenates	CHEMONTID:0001070	Inorganic non-metallic compounds containing a perrhenate as its largest oxoanion.
Non-metal pertechnetates	CHEMONTID:0001071	Inorganic non-metallic compounds containing a pertechnetate as its largest oxoanion.
Non-metal phosphates	CHEMONTID:0001073	Inorganic non-metallic compoundscontaining a phosphate as its largest oxoanion.
Non-metal phosphites	CHEMONTID:0001072	Inorganic non-metallic compounds containing a phosphite as its largest oxoanion.
Non-metal phosphonates	CHEMONTID:0002366	Inorganic non-metallic compounds containing a phosphonate as its largest oxoanion.
Non-metal pyrophosphates	CHEMONTID:0001074	Inorganic non-metallic compoundscontaining a pyrophosphate as its largest oxoanion.
Non-metal pyrosulfates	CHEMONTID:0001083	Inorganic non-metallic compoundscontaining a pyrosulfate as its largest oxoanion.
Non-metal selenates	CHEMONTID:0001075	Inorganic non-metallic compoundscontaining a selenate as its largest oxoanion.
Non-metal selenites	CHEMONTID:0001076	Inorganic non-metallic compoundscontaining a selenite as its largest oxoanion.
Non-metal selenophosphates	CHEMONTID:0002270	Inorganic compounds in which the largest oxoanion is selenophosphate, and in which the heaviest atom not in an oxoanion is a non-metal element.
Non-metal sulfates	CHEMONTID:0001077	Inorganic non-metallic compoundscontaining a sulfate as its largest oxoanion.
Non-metal sulfites	CHEMONTID:0001078	Inorganic non-metallic compoundscontaining a sulfite as its largest oxoanion.
Non-metal superoxides	CHEMONTID:0001079	Inorganic non-metallic compoundscontaining a superoxide as its largest oxoanion.
Non-metal tetrathionates	CHEMONTID:0001084	Inorganic non-metallic compoundscontaining a tetrathionate as its largest oxoanion.
Non-metal thiophosphates	CHEMONTID:0002291	Inorganic compounds in which the largest oxoanion is thiophosphate, and in which the heaviest atom not in an oxoanion is a non-metal element.
Non-metal thiosulfates	CHEMONTID:0001085	Inorganic non-metallic compoundscontaining a thiosulfate as its largest oxoanion.
Nonoses	CHEMONTID:0001501	Monosaccharide compounds in which the sugar moiety is an octose (9 carbon atoms).
Norbelladine-type amaryllidaceae alkaloids	CHEMONTID:0004121	Amaryllidaceae alkaloids compounds containing the norbelladine skeleton. They are derived initially from the condensation of tyramine and protocatechuic aldehyde or its derivatives in plants.
Nucleoside and nucleotide analogues	CHEMONTID:0003737	Analogues of nucleosides and nucleotides. These include phosphonated nucleosides, C-glycosylated nucleoside bases, analogues where the sugar unit is a pyranose, and carbocyclic nucleosides, among others.
Nucleosides, nucleotides, and analogues	CHEMONTID:0000289	Compounds containing a nucleobase linked to a ribose or deoxyribose sugar via a beta-glycosidic linkage. The ribose or deoxyribose moiety bears at least a phosphate group in case of nucleotides.