ClassyFire: Listing 4825 chemical categories

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Name	ChemOnt ID	Description
2-(1Z-alkenyl)-glycero-3-phosphates	CHEMONTID:0003288	Compounds containing a 1-alkenyl group attached to the O2- position of the glycero-3-phosphate moiety.
2-acyl-glycerol-3-phosphoserines	CHEMONTID:0001682	Monoacylglycerol-3-phosphoserines with a fatty acyl chain linked to the O2-atom of the glycerol moiety.
2-acyl-sn-glycero-3-phosphocholines	CHEMONTID:0001643	Glycerophosphocholines in which the glycerol is esterified with a fatty acid at O-2 position, and linked at position 3 to a phosphocholine.
2-acyl-sn-glycero-3-phosphoethanolamines	CHEMONTID:0001680	Glycerophoethanolamines in which the glycerol is esterified with a fatty acid at O-2 position, and linked at position 3 to a phosphoethanolamine.
2-acyl-sn-glycerol-3-phosphoinositols	CHEMONTID:0002120	Glycerophosphoinositols where the glycerol is acylated only at position O-2 with a fatty acid.
2-acylglycerol-3-phosphates	CHEMONTID:0001688	Lysophosphatidic acids where the glycerol is esterified with a fatty acid at O-2 position.
2-amino-1,3-thiazoles	CHEMONTID:0004003	Compounds containing a 1,3-thiazole ring substituted by an amine group at the 2-position.
2-amino-1,3,4-thiadiazoles	CHEMONTID:0004001	Thiadiazoles with an amino group attached to the 2-position of a 1,3,4-thiadiazole ring.
2-amino-3-aroyl-4,5-alkylthiophenes	CHEMONTID:0003340	3-aroylthiophenes which are substituted at the 2-position by an amine group and the 4-, and 5-position by an alkyl group.
2-amino-3-aroylthiophenes	CHEMONTID:0003217	3-aroylthiophenes which are substituted by an amino group at the 2-position.
2-amino-3-benzoylthiophenes	CHEMONTID:0003339	Compounds containing a thiophene ring which is substituted at the 2-position by an amine and at the 3-position by a benzoyl group.
2-amino-5-substituted-1,3,4-thiadiazoles	CHEMONTID:0004002	Thiadiazoles with an amino group attached to the 2-position of a 1,3,4-thiadiazole ring, as well as a substituent at the 5-position.
2-amino-pyrido[2,3-d]pyrimidines	CHEMONTID:0004420	Compounds containing the pyrido[2,3-d]pyrimidine ring system, which carries an amine at the 2-position. Pyrido[2,3-d]pyrimidine is a pyridopyrimidine isomer with three ring nitrogen atoms at the 1-, 3-, and 8- position.
2-aminoanthraquinones	CHEMONTID:0003952	Organic compounds containing an anthraquinone ring system, which is substituted at the 2-position by an amino group.
2-aminobenzamides	CHEMONTID:0004000	Organic compounds containing a benzamide moiety with an amine group attached to the 2-position of the benzene ring.
2-aminopyrazinium compounds	CHEMONTID:0003363	Organic compounds containing a pyrazinium ring that carries an amine group at the 2-position.
2-aminothieno[3,4-c]pyridazines	CHEMONTID:0003355	Organic compounds containing a thieno[3,4-c]pyridazine that carries an amino group at the 2-position. Thieno[3,4-c]pyridazine is a bicyclic compound made up of a thiophene ring fused to a pyridazine ring so that the sulfur atom and the two nitrogen atoms are at the 1-, 5-, and 6-position, respectively.
2-aminothieno[3,4-d]pyridazines	CHEMONTID:0003356	Organic compounds containing a thieno[3,4-d]pyridazine that carries an amino group at the 2-position. Thieno[3,4-d]pyridazine is a bicyclic compound made up of a thiophene ring fused to a pyridazine ring so that the sulfur atom and the two nitrogen atoms are at the 1-, 4-, and 5-position, respectively.
2-aminothiophenes	CHEMONTID:0004004	Organic compounds containing an amino group conjugated to a thiophene ring at the 2-position.
2-Anilinoquinolines	CHEMONTID:0004366	Aromatic heteropolycyclic compounds containing a quinoline ring that is N-linked at the 2-position to an aniline.
2-aroylquinolines	CHEMONTID:0003910	Compounds containing a quinoline which carries an aroyl group at the 2-position. An aroyl group is a univalent radical R-CO- derived from an aromatic carboxylic acid.
2-arylbenzofuran flavonoids	CHEMONTID:0003405	Phenylpropanoids containing the 2-phenylbenzofuran moiety.
2-arylethylamines	CHEMONTID:0004253	Primary amines that have the general formula RCCNH2, where R is an organic group.
2-azidobenzoic acids	CHEMONTID:0004295	Compounds containing an azide group at the 2-position of a benzoic acid.
2-benzimidazolylcarbamic acid esters	CHEMONTID:0004711	Aromatic heteropolycyclic compounds that contain a carbamic acid ester group, which is N-linked to the C2-atom of a benzimidazole moiety.
2-benzimidazolylcarbamic acids	CHEMONTID:0004710	Aromatic heteropolycyclic compounds that contain a carbamyl group N-linked to the C2-atom of a benzimidazole moiety.
2-benzopyrans	CHEMONTID:0003411	Organic aromatic compounds that 1-benzopyran, a bicyclic compound made up of a benzene ring fused to a pyran, so that the oxygen atom is at the 2-position.
2-benzothiophenes	CHEMONTID:0004294	Aromatic heterocyclic compound containing the 2-benzothiophene ring system, in which the benzene ring is fused to the thiophene ring across positions 3 and 4.
2-benzothiopyrans	CHEMONTID:0003414	Organic aromatic compounds that 1-benzothiopyran, a bicyclic compound made up of a benzene ring fused to a thiopyran, so that the sulfur atom is at the 2-position.
2-benzylamino-s-triazines	CHEMONTID:0004733	Aromatic heterocyclic compounds containing a S-triazine ring, which is N-substituted at the 2-position with a benzylamine.
2-benzylaminopyridines	CHEMONTID:0004802	Aromatic compounds containing pyridine ring substituted at the 2-position by a benzylamine group.
2-benzylpiperidines	CHEMONTID:0003088	Organic compounds containing a benzyl group attached to the 2-position of a piperidine.
2-bromoanilines	CHEMONTID:0003602	Organic compounds that contain an aniline carrying a bromine atom at the C2-position.
2-deoxystreptamine aminoglycosides	CHEMONTID:0003575	Aminoglycosides containing the 2-deoxystreptamine (1,3-diaminocyclohexane-4,5,6-triol) core.
2-enoyl CoAs	CHEMONTID:0003181	Organic compounds containing a coenzyme A substructure linked to a 2-enoyl chain.
2-furanilides	CHEMONTID:0004756	Aromatic heterocyclic compounds contaning a furan ring that is substituted at the 2-position with an anilide.
2-halobenzoic acids	CHEMONTID:0003101	Benzoic acids carrying a halogen atom at the 2-position of the benzene ring.
2-halobenzoic acids and derivatives	CHEMONTID:0003098	Benzoic acids or derivatives carrying a halogen atom at the 2-position of the benzene ring.
2-halopyridines	CHEMONTID:0004532	Organic compounds containing a pyridine ring substituted at the 2-position by a halogen atom.
2-halopyrimidines	CHEMONTID:0004531	Aromatic compounds containing a pyrimidine ring substituted at the 2-position with a halogen atom.
2-heteroaryl carboxamides	CHEMONTID:0004817	Compounds containing a heteroaromatic ring that carries a carboxamide group.
2-hydroxy,20-norgibberellanes	CHEMONTID:0004016	Gibberellins where the C20 carbon atom has been eliminated, and which carry a hydroxyl group at the 2-position.
2-hydroxyisoflavanones	CHEMONTID:0002686	An isoflavonoid that bears a hydroxyl group at position 2.
2-Hydroxymercuribenzoic acids	CHEMONTID:0004030	Benzoic acids containing a hydroxymercury (-HgOH) group attached to the 2-position of the benzene moiety.
2-MCPD diesters	CHEMONTID:0003661	Compounds containing a 2-monochloropropane-1,3-diol skeleton that is esterified at the C1 and C3 terminal carbon atoms.
2-Mercuribenzoic acids	CHEMONTID:0004033	Benzoic acids containing a mercury atom attached to the 2-position of the benzene moiety.
2-methoxy-1,3,5-triazines	CHEMONTID:0004731	Aromatic heterocyclic compounds containing a 1,3,5-triazine ring, which is substituted at the 2-position with a methoxy group.
2-methoxychromones	CHEMONTID:0004772	Aromatic heteropolycyclic compounds containing a chromone ring system, which carries a methoxy group at the 2-position.
2-monoacylglycerols	CHEMONTID:0001603	Monoacylglycerols containing a glycerol acylated at the 2-position.
2-naphthalene sulfonamides	CHEMONTID:0003596	Organic aromatic compounds that contain a naphthalene moiety that carries a sulfonamide (or a derivative thereof) at the 1-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
2-naphthalene sulfonates	CHEMONTID:0003601	Organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 2-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
2-naphthalene sulfonic acids and derivatives	CHEMONTID:0003599	Organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group (or a derivative thereof) at the 2-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.
2-nitrohalothiophenes	CHEMONTID:0004340	Aromatic heterocyclic compound containing a thiophene ring that carries a nitro group attached at the 2-position, as well as an halogen atom.
2-nitrothiophenes	CHEMONTID:0004337	Aromatic heterocyclic compound containing a nitro group attached to a thiophene ring a the 2-position.
2-O-methylated flavonoids	CHEMONTID:0002587	Flavonoids with methoxy groups attached to the C2 atom of the flavonoid backbone.
2-O-methylated isoflavonoids	CHEMONTID:0002597	Isoflavonoids with methoxy groups attached to the C2 atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
2-phenoxypropionic acid esters	CHEMONTID:0004677	Aromatic compounds hat contain a phenol ether attached to the C2-atom of a phenylpropionic acid ester.
2-phenoxypropionic acids	CHEMONTID:0004676	Aromatic compounds hat contain a phenol ether attached to the C2-atom of a phenylpropionic acid.
2-phenylbenzofurans	CHEMONTID:0002613	Phenylbenzofurans where the benzofuran moiety is conjugated at the 2-position to a phenyl group.
2-phenylindoles	CHEMONTID:0003214	Indoles substituted at the 2-position with a phenyl group.
2-polyprenyl-6-methoxyphenols	CHEMONTID:0003083	Compounds containing a polyisoprene chain attached at the 2-position of a 6-methoxyphenol group.
2-prenylated xanthones	CHEMONTID:0003517	Organic compounds containing a C5-isoprenoid group linked to a xanthone moiety at the 2-position. Xanthone is a tricyclic compound made up of two benzene rings linearly fused to each other through a pyran ring that carries a ketone group.
2-pyranosylbenzimidazoles	CHEMONTID:0003706	Nucleoside and nucleotide analogs with a structure that consists of a benzimidazole which is N-substituted at the 2-position with a pyranose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the pyranose.
2-pyranosylbenzothiazoles	CHEMONTID:0003704	Nucleoside and nucleotide analogs with a structure that consists of a benzothiazole base which is N-substituted at the 2-position with a pyranose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the pyranose.
2-pyranosylbenzotriazoles	CHEMONTID:0003711	Nucleoside and nucleotide analogs with a structure that consists of a benzotriazole base which is N-substituted at the 2-position with a pyranose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the pyranose.
2-pyranosylbenzoxazoles	CHEMONTID:0003703	Nucleoside and nucleotide analogs with a structure that consists of a benzoxazole base which is N-substituted at the 2-position with a pyranose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the pyranose.
2-pyranosylindazoles	CHEMONTID:0003714	Nucleoside and nucleotide analogs with a structure that consists of an indazole base which is N-substituted at the 2-position with a pyranose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the pyranose.
2-pyridylmethylamines	CHEMONTID:0004708	Aromatic heterocyclic compounds contaning a pyridine ring which is substituted at the 2-position with a methylamine.
2-pyrimidinylthiobenzoic acids	CHEMONTID:0004750	Benzoic acids that carry a 2-thiopyrimidine at the 2-position of the benzene ring.
2-ribofuranosylbenzimidazoles	CHEMONTID:0003705	Nucleoside and nucleotide analogs with a structure that consists of a benzimidazole ring system which is N-substituted at the 2-position with a ribose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the furanose.
2-ribofuranosylbenzotriazoles	CHEMONTID:0003709	Nucleoside and nucleotide analogs with a structure that consists of a benzotriazole ring system which is N-substituted at the 2-position with a ribose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the furanose.
2-ribofuranosylindazoles	CHEMONTID:0003712	Nucleoside and nucleotide analogs with a structure that consists of an indazole ring system which is N-substituted at the 2-position with a ribose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the furanose.
2-sulfobenzoic acids	CHEMONTID:0000062	Sulfobenzoic acid carrying the sulfonyl group at the 2-position of the benzene group.
2-Thiopyrimidines	CHEMONTID:0004171	Aromatic heterocyclic compounds containing a pyrimidine ring where the carbon at the 2-position involved in a C=S bond.
2,2-dimethyl-1-benzopyrans	CHEMONTID:0003522	Organic compounds containing a 1-benzopyran moiety that carries two methyl groups at the 2-position.
2,3-benzodithiins	CHEMONTID:0002808	Organic heterocyclic compounds containing a benzene ring fused to a 2,3-dithiin ring.
2,3-Cyclopentanoindolines	CHEMONTID:0003476	Organic aromatic compounds containing an indoline ring system that shares its C2-C3 bond with a cyclopentane ring.
2,3-dienoyl fatty acyl thioesters	CHEMONTID:0003328	Thioesters of a 2,3-dienoyl fatty acid with the general formula RC(=O)SR', where R is the fatty acyl chain.
2,3-dihydro-4-pyridones	CHEMONTID:0003204	Organic compounds containing a 2,3-dihydrogenated derivative of 4-pyridone.
2,3-diphenylfurans	CHEMONTID:0001126	Organic heterocyclic compounds that contain a furan ring substituted with a phenyl group only the C2- and C3-positions.
2,3,4-saturated fatty acyl CoAs	CHEMONTID:0003208	Acyl-CoAs carrying a 2,3,4-saturated fatty acyl chain.
2,3,5-trisubstituted thiophenes	CHEMONTID:0003482	Organic compounds containing a thiophene that is trisubstituted at the C-2, C3- and C5-positions.
2,4-Diaminoquinazolines	CHEMONTID:0004384	Aromatic heterocyclic compounds containing a quinazoline ring, which is substituted at the 2- and 4-positions with an amine group.
2,4-Diaminothieno[2,3-d]pyrimidines	CHEMONTID:0004385	Aromatic heterocyclic compounds containing a thieno[2,3-d]pyrimidine ring system substituted at the 2- and 4-positions with an amine group.
2,4-dienoyl CoAs	CHEMONTID:0003330	Organic compounds containing a coenzyme A substructure linked to a 2,4-enoyl chain.
2,4-diphenylfurans	CHEMONTID:0003488	Organic heterocyclic compounds that contain a furan ring substituted with a phenyl group only the C2- and C4-positions.
2,4-disubstituted oxazoles	CHEMONTID:0002638	Compounds containing an oxazole ring substituted at positions 2 and 4 only. Oxazole is a five-membered aromatic heterocycle with one oxygen, one nitrogen, and three carbon atoms. Isomers include 1,2-oxazole and 1,3-oxazole.
2,4-disubstituted thiazoles	CHEMONTID:0002634	Compounds containing a thiazole ring substituted at the positions 2 and 3.
2,4,5-trisubstituted imidazoles	CHEMONTID:0002631	Imidazoles in which the imidazole ring is substituted at positions 2, 4, and 5.
2,4,5-trisubstituted oxazoles	CHEMONTID:0002641	Compounds containing an oxazole ring substituted at positions 2, 4 and 5 only. Oxazole is a five-membered aromatic heterocycle with one oxygen, one nitrogen, and three carbon atoms. Isomers include 1,2-oxazole and 1,3-oxazole.
2,4,5-trisubstituted thiazoles	CHEMONTID:0002637	Compounds containing a thiazole ring substituted at positions 2, 4 and 5 only.
2,5-dienoyl CoAs	CHEMONTID:0003331	Organic compounds containing a coenzyme A substructure linked to a 2,5-enoyl chain.
2,5-dioxopiperazines	CHEMONTID:0003684	Organic heterocyclic compounds that contain a piperazine with the oxo groups at the 2- and 5-positions. Piperazine is a six-membered heterocyclic compound consisting of two nitrogen atoms and four carbon atoms.
2,5-diphenylfurans	CHEMONTID:0003489	Organic heterocyclic compounds that contain a furan ring substituted with a phenyl group only the C2- and C5-positions.
2,5-disubstituted morpholines	CHEMONTID:0004811	Organic compounds containing a morpholine ring, which is substituted at the 2- and 5-positions.
2,5-disubstituted oxazoles	CHEMONTID:0002639	Compounds containing an oxazole ring substituted at positions 2 and 5 only. Oxazole is a five-membered aromatic heterocycle with one oxygen, one nitrogen, and three carbon atoms. Isomers include 1,2-oxazole and 1,3-oxazole.
2,5-disubstituted thiazoles	CHEMONTID:0002635	Compounds containing a thiazole ring substituted at positions 2 and 5 only.
2,5-disubstituted thiophenes	CHEMONTID:0003481	Organic compounds containing a thiophene that is disubstituted at the C-2, and C5-positions.
2,6-dimethyl-3-benzazocines	CHEMONTID:0004823	Aromatic compounds containing a 6,7-benzomorphan skeleton, which is substituted by methyl group at the 2- and 6-positions.
2'-Aminoanilides	CHEMONTID:0004389	Organic compounds containing an anilide moieties that carries an amino group at the 2-position of the benzene ring.
2'-Hydroxy-dihydrochalcones	CHEMONTID:0003473	Organic compounds containing dihydrochalcone skeleton that carries a hydroxyl group at the 2'-position.
2'-Hydroxychalcones	CHEMONTID:0003472	Organic compounds containing chalcone skeleton that carries a hydroxyl group at the 2'-position.
2'-O-methylated flavonoids	CHEMONTID:0002594	Flavonoids with methoxy groups attached to the C2' atom of the flavonoid backbone.
2'-O-methylated isoflavonoids	CHEMONTID:0002604	Isoflavonoids with methoxy groups attached to the C2' atom of the isoflavonoid backbone. Isoflavonoids are natural products derived from 3-phenylchromen-4-one.
2'-prenylated flavanones	CHEMONTID:0003588	Flavanones that features a C5-isoprenoid substituent at the 2'-position.
2'-prenylated flavans	CHEMONTID:0003645	Flavans that features a C5-isoprenoid substituent at the 2'-position.
2'-prenylated flavones	CHEMONTID:0003587	Flavones that features a C5-isoprenoid substituent at the 2'-position.
2'-prenylated isoflavanones	CHEMONTID:0003579	Isoflavanones featuring a C5-isoprenoid unit at the 2'-position.
2'-prenylated isoflavones	CHEMONTID:0003580	Isoflavones featuring a C5-isoprenoid unit at the 2'-position.
2',3'-cyclic purine nucleoside phosphorothioates	CHEMONTID:0003803	2',3'-cyclic purine nucleoside phosphate analogues, where a phosphate oxygen has been exchanged for sulphur generating a chiral phosphorothioate. In 2',3'-cyclic nucleoside phosphorothioate, the oxygen atoms at the 2'- and 3'-positions of the ribose are part of the phosphorothioate group.
2',3'-cyclic purine nucleotides	CHEMONTID:0001494	Purine nucleotides in which the oxygen atoms linked to the C2 and C3 carbon atoms of the ribose moiety are both bonded the same phosphorus atom of the phosphate group.
2',3'-cyclic pyrimidine nucleoside phosphorothioates	CHEMONTID:0003804	2',3'-cyclic pyrimidine nucleoside phosphate analogues, where a phosphate oxygen has been exchanged for sulphur generating a chiral phosphorothioate. In 2',3'-cyclic nucleoside phosphorothioate, the oxygen atoms at the 2'- and 3'-positions of the ribose are part of the phosphorothioate group.
2',3'-cyclic pyrimidine nucleotides	CHEMONTID:0001495	Pyrimidine nucleotides in which the oxygen atoms linked to the C2 and C3 carbon atoms of the ribose moiety are both bonded the same phosphorus atom of the phosphate group.
2',3'-dideoxy-3'-thionucleoside diphosphates	CHEMONTID:0004500	2',3'-deoxyribonucleoside derivatives, where the ribose unit is thio-substituted at the 3'-position, and at the 5'-position by a diphosphate group. The nucleobases here are limited to purine, pyrimidine, and pyridine derivatives.
2',3'-dideoxy-3'-thionucleoside monophosphates	CHEMONTID:0004501	2',3'-deoxyribonucleoside derivatives, where the ribose unit is thio-substituted at the 3'-position, and at the 5'-position by a monophosphate group. The nucleobases here are limited to purine, pyrimidine, and pyridine derivatives.
2',3'-dideoxy-3'-thionucleoside triphosphates	CHEMONTID:0004499	2',3'-deoxyribonucleoside derivatives, where the ribose unit is thio-substituted at the 3'-position, and at the 5'-position by a triphosphate group. The nucleobases here are limited to purine, pyrimidine, and pyridine derivatives.
2',3'-dideoxy-3'-thionucleosides	CHEMONTID:0004498	2',3'-deoxyribonucleosides, where the ribose unit is thio-substituted at the 3'-position. The nucleobases here are limited to purine, pyrimidine, and pyridine derivatives.
2',5'-cyclic purine nucleotides	CHEMONTID:0001993	Purine nucleotides in which the oxygen atoms linked to the C2 and C5 carbon atoms of the ribose moiety are both bonded the same phosphorus atom of the phosphate group.
2',5'-cyclic pyrimidine nucleotides	CHEMONTID:0002121	Pyrimidine nucleotides in which the oxygen atoms linked to the C2 and C5 carbon atoms of the ribose moiety are both bonded the same phosphorus atom of the phosphate group.
2',5'-dideoxyribonucleosides	CHEMONTID:0004799	Nucleosides characterized by a purine or pyrimidine base, which is N-linked to a 2',5'-dideoxyribose moiety.
2(hydroxyphenyl)acetic acids	CHEMONTID:0004644	Phenylacetic acids that carry a hydroxyl group at the 2-position.
20-oxosteroids	CHEMONTID:0003058	Steroid derivatives carrying a C=O group at the 20-position of the steroid skeleton.
21-hydroxysteroids	CHEMONTID:0003095	Steroids carrying a hydroxyl group at the 21-position of the steroid backbone.
22,23-secosolanidanes and derivatives	CHEMONTID:0002733	Cholestane derivatives that contain the 22,23-secosolanidane moiety. 22,23-secosolanidane arises from the conversion of the cholestane side-chain into a piperidine ring that is N-substituted with a 2-methylpropyl group.
22,26-epiminocholestanes	CHEMONTID:0002732	Steroid alkaloids obtained by reduction of spirosolane through opening of the E-ring.
25-azasteroids and derivatives	CHEMONTID:0003053	Azasteroids where the carbon atom at position 25 is replaced by a nitrogen atom.