primary fatty amide

A primary carboxamide RC(=O)NH2 resultng from the formal condensation of the carboxy group of a fatty acid with ammonia.


A member of the class of quinolones that is the amide obtained from formal condensation of the carboxy group of 4-hydroxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carboxylic acid with the amino group of 2-amino-3-methyl-1,3-thiazole.


A monocarboxylic acid amide resulting from the formal condensation of the carboxy group of 2-[4-fluoro-3-(trifluoromethyl)phenoxy]butyric acid with the amino group of benzylamine.


(S)-beflubutamid

An N-benzyl-2-[4-fluoro-3-(trifluoromethyl)phenoxy]butanamide that has S configuration.


N-(butanoyl)ethanolamine

An N-(saturated fatty acyl)ethanolamine that is the ethanolamide of butanoic acid.


N-acylethanolamine 22:6

A N-(long-chain-acyl)ethanolamine in which the acyl group contains 22 carbons and 6 double bonds.


A 1,3-thiazole in which the only substituent is an aminocarbonyl group at position 5.


N-acylethanolamine 20:3

A N-(long-chain-acyl)ethanolamine in which the acyl group contains 20 carbons and 3 double bonds.


butanamides

A fatty amide derived based on a butanamide skeleton and its substituted derivatives.


A cysteine derivative obtained by formal condensation between N-butyl-L-cysteinamide and 2-thienylacetic acid.


A L-serine derivative obtained by formal condensation between N-butyl-L-serinamide and (R)-2-hydroxy-2-phenylacetic acid.


N-(saturated fatty acyl)ethanolamine

Any N-acylethanolamine in which the acyl group is derived from a saturated fatty acid.


N-(dodecanoyl)ethanolamine

An N-(long-chain-acyl)ethanolamine resulting from the formal condensation of the carboxy group of dodecanoic acid (myristic acid) with the amino group of ethanolamine.


A fatty amide obtained by the formal condensation of (11Z,14Z)-eicosadienoic acid with ethanolamine.


A member of the class of quinolones that is the amide obtained from formal condensation of the carboxy group of 4-hydroxy-1-isopentyl-2-oxo-1,2-dihydroquinoline-3-carboxylic acid with the amino group of 2-amino-3-methyl-1,3-thiazole.


arenecarboxamide

A monocarboxylic acid amide in which the amide linkage is bonded directly to an arene ring system.


A cysteine derivative obtained by formal condensation between N-butyl-L-cysteinamide and (R)-2-hydroxy-2-phenylacetic acid.


(R)-beflubutamid

An N-benzyl-2-[4-fluoro-3-(trifluoromethyl)phenoxy]butanamide that has R configuration.


esatenolol

The (S)-enantiomer of atenolol.


hydroperoxy fatty amide

Any fatty amide carrying one or more hydroperoxy substituents.


SEA

An N-acylethanolamine 18:0 that is the ethanolamide of octadecanoic acid.


A glycohexaosylceramide having alpha-D-Gal-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-alpha-D-GalNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycohexaosyl component.


A glycoheptaosylceramide having a beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc component attached to the primary hydroxy function of a ceramide with undefined sphingoid base and fatty acyl chain.


A glycododecaosylceramide having an alpha-D-Gal-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-[alpha-D-Gal-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc component attached to the primary hydroxy function of a ceramide with d18:1 sphingoid base and undefined fatty acyl chain.


A ten-membered fucosyl oligoglycosylceramide having alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-[alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->6)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the oligoglycosyl component.


A glycooctaosylceramide in which the sugar component is a linear heptasaccharide comprised of fucose, galactose, N-acetylgalactosamine, glucose and N-acetylglucosamine residues, branched with an extra L-fucosyl residue at one of the central galactose residues within the chain.


A glycoheptaosylceramide having alpha-D-Gal-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->3)-[alpha-L-Fuc-(1->4)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycoheptaosyl component.


beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer in which the sphingoid base is (2S,3R,4E)-2-amino-3-hydroxyoctadec-4-en-1-yl.


A glycohexaosylceramide having alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-beta-D-GlcNAc-(1->3)-alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc as the glycohexaosyl component.


A glycoheptaosylceramide having alpha-D-Gal-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycoheptaosyl component.


A glycopentaosylceramide having alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycopentaosyl component.


A glycopentaosylceramide having alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc as the glycopentaosyl component.


A glycohexaosylceramide having alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycohexaosyl component.


A branched glycopentaosylceramide having a beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glccomponent attached to the primary hydroxy function of a ceramide with undefined sphingoid base and fatty acyl chain.


A branched glycooctaosylceramide having alpha-D-Gal-(1->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the octaosyl portion.


A glycoheptaosylceramide having a beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc component attached to the primary hydroxy function of a ceramide with d18:1 sphingoid base and and undefined fatty acyl chain.


A glycoheptaosylceramide having a beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc component attached to the primary hydroxy function of a ceramide with undefined sphingoid base and fatty acyl chain.


A glycohexaosylceramide having an alpha-D-Gal-(1->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc component attached to the primary hydroxy function of a ceramide with undefined sphingoid base and fatty acyl chain.


A glycooctaosylceramide having beta-D-Gal-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycooctaosyl component


A glycopentaosylceramide having beta-D-galactosyl-(1->3)-[alpha-L-fucosyl-(1->4)]-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl component attached to the primary hydroxy function of a ceramide with undefined sphingoid base.


A glycoheptaosylceramide having N-acetyl-alpha-D-galactosaminyl-(1->3)-[alpha-L-fucosyl-(1->2)]-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->3)-alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosyl as the glycoheptaosyl component.


A glycononaosylceramide consisting of a branched nonasaccharide made up from four galactose residues, three N-acetylglucosamine residues, one fucosyl residue and one glucose residue, which at the reducing end is attached to the ceramide portion via a beta-linkage.


A glycotetraosylceramide having N-acetyl-alpha-D-galactosaminyl-(1->3)-[alpha-L-fucosyl-(1->2)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl as the glycotetraosyl component.


A glycononaosylceramide in which the sugar component is a linear heptasaccharide made up from galactose, N-acetylgalactosamine, glucose and N-acetylglucosamine residues, branched with L-fucosyl residues at two of the galactose residues in the chain.


A glycoheptaosylceramide having alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycoheptaosyl component.


A glycopentaosylceramide having alpha-L-fucosyl-(1->2)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl component attached to the primary hydroxy function of a ceramide with undefined sphingoid base.


A glycohexaosylceramide having alpha-D-Gal-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycohexaosyl component.


A glycooctaosylceramide having an alpha-D-Gal-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc component attached to the primary hydroxy function of a ceramide with d18:1 sphingoid base and undefined fatty acyl chain.


A glycopentaosylceramide having alpha-L-Fuc-(1->2)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycopentaosyl component.


A glycopentaosylceramide having a beta-D-Gal-(1->3)-[alpha-L-Fuc-(1->4)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc component attached to the primary hydroxy function of a ceramide with d18:1 sphingoid base and and undefined fatty acyl chain.


A branched glycohexaosylceramide having  alpha-D-Gal-(1->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycohexaosyl portion.


A glycoheptaosylceramide having N-acetyl-alpha-D-galactosaminyl-(1->3)-[alpha-L-fucosyl-(1->2)]-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl-(1->3)-alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosyl as the glycoheptaosyl component.


A glycohexaosylceramide having alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-[alpha-L-Fuc-(1->4)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycohexaosyl component.


A glycododecaosylceramide having alpha-D-Gal-(1->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->3)-[alpha-D-Gal-(1->3)-beta-D-Gal-(1->4)-[alpha-L-Fuc-(1->3)]-beta-D-GlcNAc-(1->6)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the dodecasaccharide component.


A glycooctaosylceramide having alpha-D-GalNAc-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycooctaosyl component


A glycohexaosylceramide having alpha-D-GalNAc-(1->3)-[alpha-L-Fuc-(1->2)]-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the glycohexaosyl component.


A  branched glycopentaosylceramide having alpha-L-fucosyl-(1->3)-[beta-D-galactosyl-(1->4)]-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucose as the glycopentaosyl portion.


pentitol derivative

An alditol derivative that is formally obtained from a pentitol.


cob(II)alamin

A cobalamin in which the central cobalt atom has an oxidation state of +2.


cob(I)alamin

A cobalamin in which the central cobalt atom has an oxidation state of +1.


cob(III)alamin

A cobalamin in which the central cobalt atom has an oxidation state of +3.


An S-substituted glutathione in which the thiol hydrogen of glutathoine has been replaced by a 6-methylthiohexylhydroximoyl group.


D-galactose

D-Galactopyranose having alpha-configuration at the anomeric centre.


D-GALACTOSE

A galactopyranose having D-configuration.


b-D-GALACTOSE

A D-galactopyranose having beta configuration at the anomeric centre.


naphthols

Any hydroxynaphthalene derivative that has a single hydroxy substituent.


An amino disaccharide consisting of a beta-D-galactopyranose residue and a 2-acetamido-2-deoxy-beta-D-galactopyranose residue joined in sequence by a (1->6) glycosidic bond.


primary carboxamide

A carboxamide resulting from the formal condensation of a carboxylic acid with ammonia; formula RC(=O)NH2.


ENT-ZWITTERMICIN A

The (-)-enantiomer of zwittermicin A.


(+)-zwittermicin A

The (+)-enantiomer of zwittermicin A. It is a water-soluble natural antibiotic from the fermentation of the soil-borne bacterium Bacillus cereus and shows significant activity against phytopathogenic fungi.


MONO-N-ACETYL DAPSONE

A secondary carboxamide resulting from acetylation of one of the amino groups of dapsone.


rac-lisofylline

A racemate comprising equal amounts of (R)- and (S)-lisofylline. It is a metabolite of pentoxifylline and a potent anti-inflammatory agent in which the (-)-isomer is biologically active.


An alpha-D-Galp-(1->6)-D-Galp in which the carbon bearing the anomeric hydroxy group has alpha configuration.


5,5-dimethyl-1-pyrroline N-oxide

A member of the class of 1-pyrroline nitrones (1-pyrroline N-oxides) resulting from the formal N-oxidation of 5,5-dimethyl-1-pyrroline. Used as a spin trap for the study of radicals formed by enzymatic acetaldehyde oxidation.


A class of glycoglycerolipids that consists of any 1,2-diacyl-sn-glycerol having an (alpha-D-galactopyranosyl)-(1->2)-(alpha-D-glucopyranosyl) glycosyl moiety attached at position 3.


clobenpropit dihydrobromide

A hydrobromide salt obtained by reaction of clobenpropit with two equivalents of hydrobromic acid. An extremely potent histamine H3 antagonist/inverse agonist (pA2 = 9.93). Also displays partial agonist activity at H4 receptors; induces eosinophil shape change with an EC50 of 3 nM.


cyclosporin A metabolite M13

A cyclosporin A derivative that is cyclosporin A in which the residue-9 N-methylleucine moiety has undergone oxidation so as to introduce a hydroxy group at the carbon bearing the two methyl groups, while the residue-4 N-methylleucine moiety has undergone N-demethylation.


cyclosporin A metabolite M1

A cyclosporin A derivative that is cyclosporin A in which residue 9 (N-methylleucine) has undergone oxidation so a to introduce a hydroxy group at the carbon bearing the two methyl groups.


cyclosporin A metabolite M9

A cyclosporin A derivative that is cyclosporin A in which the N-methylleucine residues at positions 6 and 9 have both undergone oxidation by hydroxylation at the carbon bearing the two methyl groups, and in which while the N-methylleucine residue at position 4 has undergone N-demethylation.


cyclosporin A metabolite M10

A cyclosporin A derivative that is cyclosporin A in which residues 4 and 9 (both N-methylleucine) have undergone oxidation so as to introduce a hydroxy group at position 4 (the carbon bearing the two methyl groups) in each case.


cyclosporin A metabolite M17

A cyclosporin A derivative that is cyclosporin A in which residue 1 [(2S,3R,4R,6E)-3-hydroxy-4-methyl-2-(methylamino)oct-6-enoic acid] has undergone allylic oxidation to give the corresponding primary allylic alcohol. It specifically inhibits growth of renal cells in culture.


cyclosporin A metabolite M25

A cyclosporin A derivative that is cyclosporin A in which residue 1 [(2S,3R,4R,6E)-3-hydroxy-4-methyl-2-(methylamino)oct-6-enoic acid] has undergone allylic oxidation to give the corresponding primary allylic alcohol, while residue 4, N-methylleucine, has undergone N-demethylation.


cyclosporin A metabolite M16

A cyclosporin A derivative that is cyclosporin A in which residues 6 and 9 (both N-methylleucine) have undergone oxidation so a to introduce a hydroxy group at position 4 (the carbon bearing the two methyl groups) in each case.


cyclosporin A metabolite M8

A cyclosporin A derivative that is cyclosporin A in which residue 1 [(2S,3R,4R,6E)-3-hydroxy-4-methyl-2-(methylamino)oct-6-enoic acid] has undergone allylic oxidation to give the corresponding primary allylic alcohol, and in which residue 9 (N-methylleucine) has undergone oxidation so as to introduce a hydroxy group at the carbon bearing the two methyl groups.


monohydroxyquinoline

A hydroxyquinoline carrying a single hydroxy substituent.


8-hydroxyquinoline N-oxide

A quinoline N-oxide carrying a hydroxy substituent at position 8.


A quinoline having the keto group at the 4-position and an additional hydroxy substituent at the 3-position.


An epoxide substituted at position 2 by a hydroxymethyl group and at position 3 by a hepta-1,3,5-triyn-1-yl group (the 2S,3S)-diastereomer. It is isolated from  Trametes pubescens and exhibits antifungal properties.


A C20 phytoceramide in which the ceramide N-acyl group is specified as 2-hydroxytricontanoyl.


maltooligosaccharide

A glucooligosaccharide derived from glucose monomers linked via alpha-D-1,4 bonds as in maltose.  The term is commonly applied to the series of linear oligosaccharides composed of two, three, four, five and six such units of glucose.


maltotriose trisaccharide

A trisaccharide comprised of three D-glucose residues connected by alpha(1->4) linkages.


(+-)-gamma-cadinene

A member of the cadinene family of sesquiterpenes in which the isopropyl group is cis to the hydrogen at the adjacent bridgehead carbon


primary amino compound

A compound formally derived from ammonia by replacing one hydrogen atom by an organyl group.


(S)-tafenoquine

A N(4)-{2,6-dimethoxy-4-methyl-5-[3-(trifluoromethyl)phenoxy]quinolin-8-yl}pentane-1,4-diamine that has S configuration.


AMINOTHIAZOLE

A  primary amino compound that is 1,3-thiazole substituted by an amino group at position 2.


(R)-tafenoquine

A N(4)-{2,6-dimethoxy-4-methyl-5-[3-(trifluoromethyl)phenoxy]quinolin-8-yl}pentane-1,4-diamine that has R configuration.


An amino alcohol that is alanine in which the carboxy group has been reduced to the corresponding alcohol.


An amino alcohol that is dodeca-2,6,8,10-tetraen-1-amine in which all four double bonds have trans configuration and in which the pro-S hydrogen at position 5 has been replaced by a hydroxy group.


L-ALANINOL

A 2-aminopropan-1-ol that has S-configuration.


DESGLYMIDODRINE

An aromatic ether that is 1,4-dimethoxybenzene which is substituted at position 2 by a 2-amino-1-hydroxyethyl group. The immediate and active metabolite of midrodine, it is a direct-acting sympathomimetic with selective alpha-adrenergic agonist activity. Midrodine is used (generally as its hydrochloride salt) as a prodrug for deglymidodrine, which acts as a peripheral vasoconstrictor in the treatment of certain hypotensive states.


A 2-aminopropan-1-ol that has R-configuration.


A 1,3-thiazole that is 4,5-dihydro-1,3-thiazole substituted by an amino group at position 2.


itramin tosilate

A nitrate ester resulting from the formal condensation of the hydroxy group of ethanolamine with the hydroxy group of nitric acid. It causes vasodilation by generating nitric oxide and is used for the treatment of angina pectoris and ischemic heart disease.


picrocrocin

A beta-D-glucoside of beta-cyclocitral; the precursor of safranal. It is the compound most responsible for the bitter taste of saffron.


A glycophytoceramide having an alpha-D-galactopyranosyl residue at the O-1 position and an undecanoyl group attached to the nitrogen.


A secondary fatty alcohol that is octadecane substituted by a hydroxy group at position 2.


17beta-hydroxy steroid

A 17-hydroxy steroid in which the hydroxy group at position 17 has a beta-configuration.


An N-acyl-1-O-beta-D-glucosyl-4-hydroxy-15-methylhexadecasphinganine in which the acyl group has 20 carbons and 0 double bonds.


A class of glucoglycerolipids that consists of any 1,2-diacyl-sn-glycerol having an alpha-D-glucosyl residue attached at position 3.


beta-D-fucose

A D-fucopyranose with a beta-configuration at the anomeric position.


A glycohexaosylceramide having a beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc component attached to the primary hydroxy function of a ceramide with undefined sphingoid base and fatty acyl chain.


catechols

Any compound containing an o-diphenol component.


A diarylheptanoid that is heptan-3-ol substituted by a 3,4-dihydroxyphenyl group at position 1 and a 4-hydroxyphenyl group at position 7 (the 3R-stereoisomer). It has been isolated from the rhizomes of Curcuma kwangsiensis.


A catechol bearing an additional fluoro substituent at position 3.


BRAZILIN

A organic heterotetracyclic compound that is a red pigment obtained from the wood of Caesalpinia echinata (Brazil-wood) or Caesalpinia sappan (sappan-wood).


A  diarylheptanoid that is (6E)-6-hepten-3-ol substituted by a 3,4-dihydroxyphenyl group at position 1 and a 4-hydroxyphenyl group at position 7 respectively. It has been isolated from the rhizomes of Curcuma comosa.


A  diarylheptanoid that is heptan-3-ol substituted by a 3,4-dihydroxyphenyl group at position 1 and a 4-hydroxyphenyl group at position 7 (the 3S-stereoisomer). It has been isolated from the rhizomes of Curcuma kwangsiensis.


COLTEROL

A member of the class of ethanolamines that is catechol in which the hydrogen at position 4 is replaced by a 2-(tert-butylamino)-1-hydroxyethyl group.


methylcatechol

Any member of the class of catechols carrying one or more methyl substituents.


A  diarylheptanoid that is (6E)-6-hepten-3-ol substituted by a 3,4-dihydroxyphenyl group at position 1 and a phenyl group at position 7 (the 3S- stereoisomer). It has been isolated from the rhizomes of Curcuma kwangsiensis.


A  diarylheptanoid that is (6E)-6-hepten-3-ol substituted by a 3,4-dihydroxyphenyl group at position 1 and a 4-hydroxyphenyl group at position 7 (the 3S-stereoisomer). It has been isolated from the rhizomes of Curcuma kwangsiensis.


D-glucosyl-N-acylsphingosine

Sphingosine substituted at the 1-hydroxy group by a D-glucosyl group and at the 2-amino group by an acyl group.


A beta-D-glucosyl-N-acylsphingosine in which the acyl group is specified as octadecanoyl.


A D-glucosyl-N-acylsphingosine in which the ceramide N-acyl group is dodecanoyl.


A beta-D-glucosylceramide where the ceramide N-acyl group is specified as docosanoyl.


A beta-D-glucosylceramide where the ceramide N-acyl group is specified as hexacosanoyl.


A beta-D-glucosyl-N-acylsphingosine in which the acyl group is specified as (17Z)-hexacosenoyl.


A beta-D-glucosyl-N-acylsphingosine in which the acyl group is specified as hexadecanoyl.


A beta-D-glucosyl-N-acylsphingosine in which the acyl group is specified as tricosanoyl.


beta-D-glucosyl-N-acylsphingosine

A D-glucosyl-N-acylsphingosine in which the glucosyl head group has beta-configuration at the anomeric centre.


beta-D-glucosyl-N-(oleoyl)sphingosine

An N-acyl-beta-D-galactosylsphingosine where the ceramide N-acyl group is specified as oleoyl.


beta-D-glucosyl-N-eicosanoylsphingosine

A beta-D-glucosyl-N-acylsphingosine in which the acyl group is specified as eicosanoyl.


A secondary fatty alcohol that is docosane substituted by a hydroxy group at position 11.


A secondary alcohol that is pentane substituted by a hydroxy group at position 3. It is produced by plants and is a component of emitted insect sex pheromones.


A medium-chain primary fatty alcohol that is (Z)-non-6-ene carrying a hydroxy group at position 1. It has been found in muskmelon and watermelon.


An N-acyl-1-O-beta-D-glucosyl-15-methylhexadecasphing-4-enine in which the acyl group has 26 carbons and 4 double bonds and is 2-hydroxylated.


An anthocyanin cation that is malvidin substituted at position 3 by a 6-O-acetyl-beta-D-glucosyl residue.


nitrosothio compound

Any nitroso compound in which a carbon atom of an organyl group is attached to the sulfur atom of a nitrosothio group: R-S-N=O.


CHRYSOGESIDE B

A glucosylceramide isolated from Penicillium chrysogenum.


N-(tetracosanoyl)eicosasphinganine

A ceramide that is the N-tetracosanoyl derivative of eicosasphinganine.


A dihydroceramide obtained by formal condensation of the carboxy group of tetracosanoic acid with the amino group of 14-methylhexadecasphinganine. It is a metabolite of the nematode Caenorhabditis elegans.


N-hexacosanoylsphinganine

A dihydroceramide compound having a hexacosanoyl group attached to the nitrogen atom.


N-hexacosanoylphytosphingosine

A phytoceramide compound having a hexacosanoyl group attached to the nitrogen atom.


A ceramide that is the N-hexacosanoyl derivative of C20 phytosphingosine.


N-hexacosanoylicosasphinganine

A C20 dihydroceramide in which the ceramide N-acyl group is specified as hexacosanoyl.


A dihydroceramide in which the acyl moiety contains 24 carbons and 1 double bond.


tertiary amino compound

A compound formally derived from ammonia by replacing three hydrogen atoms by organyl groups.


karakoline

An organonitrogen heterocyclic compound that is aconitane bearing hydroxy groups at the 1alpha, 8, and 14alpha positions and substituted at on the nitrogen and at positions 4 and 16beta by ethyl, methyl, and methoxy groups, respectively.


sarpagine

An indole alkaloid that is sarpagan bearing hydroxy groups at positions 10 and 17.


protostrychnine

A monoterpenoid indole alkaloid with formula C21H24N2O3, isolated from Strychnos icaja and Strychnos nux-vomica.


ISOSTRYCHNINE

A monoterpenoid indole alkaloid with formula C21H22N2O2, originally isolated from the seeds of Strychnos nux-vomica.


(S,S)-tramadol

A 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol in which both stereocentres have S-configuration; the (S,S)-enantiomer of the racemic opioid analgesic tramadol, it exhibits ten-fold lower analgesic potency than the (R,R)-enantiomer.


oxolucidine B

An organonitrogen heterocyclic compound that is lucidine B in which the hydrogen at the 4a position of the dodecahydrobenzo[5,6]cyclohepta[1,2-b]pyridinyl moiety is substituted by a hydroxy group.


A sulfonamide resulting from the formal condensation of the sulfonic acid group of 5-(dimethylamino)naphthalene-1-sulfonic acid with the aniline nitrogen of 3-(2-acetamido-1,3-thiazol-4-yl)aniline. It has been reported that by triggering an  endoplasmic reticulum (ER) stress response, HA15 can reduce the viability of melanoma cells without being toxic to normal cells.


caracurine VII

A monoterpenoid indole alkaloid with formula C19H22N2O2, isolated from several species of Strychnos.


ISOBRUCINE

A monoterpenoid indole alkaloid with formula C23H26N2O4, originally isolated from the seeds of Strychnos nux-vomica.


(S)-nefopam

A 5-methyl-1-phenyl-3,4,5,6-tetrahydro-1H-2,5-benzoxazocine that has (S)-configuration (the racemate is a non-opioid analgesic drug).


DIETHYLAMINOETHANOL

A member of the class of ethanolamines that is aminoethanol in which the hydrogens of the amino group are replaced by ethyl groups.


A  neolignan isolated from the stems of Sinocalamus affinis.


A sialotriaosylceramide consisting of beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc attached to the primary hydroxy function of ceramide(d18:1/24:0).


A glycopeptide that is the combined B- and T-cell epitope of Candida albicans cell wall beta1,2-mannotriose and the cell wall peptide Fba (derived from fructose-bisphosphate aldolase), the peptide moiety consisting of the amino acid sequence Tyr-Gly-Lys-Asp-Val-Lys-Asp-Leu-Phe-Asp-Tyr-Ala-Gln-Glu.


rac-laudanosoline

A racemate composed of equimolar amounts of (R)- and (S)-laudanosoline


glycerophosphoethanolamine zwitterion

A zwitterion obtained by transfer of a proton from the phosphate to the amino group of any glycerophosphoethanolamine.


phosphatidylethanolamine 38:1

A 1,2-diacyl-sn-glycero-3-phosphoethanolamine zwitterion in which the acyl groups at C-1 and C-2 contain 38 carbons in total with 1 double bond.


phosphatidylethanolamine zwitterion

The zwitterion of a phosphatidylethanolamine compound formed by proton transfer from the phosphate to the primary amino group.


An optically active phosphatidylethanolamine zwitterion having R-configuration


A 1,2-diacyl-sn-glycero-3-phosphoethanolamine zwitterion in which the acyl groups at C-1 and C-2 contain 34 carbons in total with 1 double bond.


monocyclic olefin

A monocyclic hydrocarbon having any number of double bonds.


cyclohexadienol

A cyclohexadiene carrying at least one hydroxy substituent.


cycloalkene

An unsaturated monocyclic hydrocarbon having at least one endocyclic double bond.


A beta-D-Gal3S-(1->3)-beta-D-GalNAc-(1->3)-alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer in which the acyl and alkyl chains are respectively tetracosanoyl and 3-hydroxyoctadec-4-en-1-yl.


A glycopentaosylceramide in which the galactose residue at the non-reducing end of the oligosaccharide moiety in beta-D-Gal-(1->3)-beta-D-GalNAc-(1->3)-alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer is sulfated at O-3.


name: 6-(3,4-dimethoxyphenyl)-4-oxo-3-phenyl-1,5,6,7-tetrahydroindole-2-carboxylic acid ethyl ester


AGELADINE A

An imidazopyridine that is 1H-imidazo[4,5-c]pyridin-2-amine substituted by a 4,5-dibromo-1H-pyrrol-2-yl group at position 4. It is an alkaloid isolated from a marine sponge Agelas nakamurai and acts as an inhibitor of the matrix metalloproteinases, the key enzymes involved in tumour growth, migration, angiogenesis, invasion and metastasis.


name: 1-[3-[2-(dimethylamino)ethylamino]-3-oxopropyl]-2-methyl-5-(4-methylphenyl)-3-pyrrolecarboxylic acid ethyl ester


neopentyl glycosyl pyrrole

A pyrrole having neopentyl-, formyl- and 1,2,3-trihydroxypropyl groups at positions 1-, 2- and 3- respectively.


name: 4-hydroxybenzoic acid [2-[1-(2-fluorophenyl)-2,5-dimethyl-3-pyrrolyl]-2-oxoethyl] ester


name: 2-methyl-4-phenyl-1H-pyrrole-3-carboxylic acid methyl ester


MARINEOSIN A

A macrocycle isolated from a marine sediment-derived actinomycete, Streptomyces sp. It exhibits cytotoxicity against colon tumour cell lines.


marineosin B

A macrocycle isolated from a marine sediment-derived actinomycete, Streptomyces sp. A stereoisomer of marineosin A, it exhibits cytotoxicity against colon tumour cell lines.


Intermediate in the biosynthesis of pyrroindomycin antibiotics. Major species at pH 7.3.


name: 5-(2-amino-4-thiazolyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid methyl ester


name: 2-(4-fluorophenyl)-1-indolizinecarboxylic acid ethyl ester


name: N-[[1-(4-fluorophenyl)-2,5-dimethyl-3-pyrrolyl]methylideneamino]carbamic acid methyl ester


tetramic acids

Compounds containing a tetramic acid (pyrrolidine-2,4-dione) ring system.


equisetin

A member of the class of tetramic acids that is trichosetin in which the hydrogen attached to the lactam nitrogen has been replaced by a methyl group. It is produced by the filamentous fungus Fusarium heterosporum.


An azaspiro compound that is spirotetramat in which the carbonate ester group has been hydrolysed to the corresponding hydroxy group. It is the active insecticide of the proinsecticicde spirotetramat.


N-hydroxypyrrole

Any pyrrole bearing a N-hydroxy substituent.


name: 3-(3-formyl-2,5-dimethyl-1-pyrrolyl)-4-methylbenzoic acid methyl ester


trichosetin

A member of the class of octahydronaphthalenes that is (2R,4aS,5R,6R,8aS)-2,5-dimethyl-6-[(1E)-prop-1-en-1-yl]-1,2,3,4,4a,5,6,8a-octahydronaphthalene in which the hydrogen at position 5 has been replaced by a (Z)-hydroxy[(5S)-5-(hydroxymethyl)-2,4-dioxopyrrolidin-3-ylidene]methyl group. Produced by the dual culture of Trichoderma harzianum and Catharanthus roseus callus, it exhibits significant antimicrobial activity against Gram-positive bacteria such as Staphylococcus aureus and Bacillus subtilis.


A member of the class of pyrroles that is 1H-pyrrole substituted by 4-hydroxybenzyl, bromo, bromo and bromo groups at positions 2, 3, 4 and 5, respectively. It is a natural product isolated from the bacterium Pseudoalteromonas strain J010.


ylide

A compound in which an anionic site Y(-) is attached directly to a heteroatom X(+) (usually nitrogen, phosphorus or sulfur) carrying a formal positive charge.


1-pyrroline nitrones

Any nitrone resulting from the oxidation of the ring nitrogen of 1-pyrroline or its substituted derivatives.


A nitrone that is the N-oxido derivative of 4-[(tert-butylimino)methyl]phenol.


nitrogen ylide

A compound where a formally positive nitrogen atom is bound to a formally negative atom (carbon or other atom).


volatile organic compound

Any organic compound having an initial boiling point less than or equal to 250 degreeC (482 degreeF) measured at a standard atmospheric pressure of 101.3 kPa.


A secondary fatty alcohol that is octadecane substituted by a hydroxy group at position 3.


A secondary fatty alcohol that is hexacosane substituted by a hydroxy group at position 3.


A secondary alcohol that is dodecane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is pentadecane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is hexacosane substituted by a hydroxy group at position 6.


decanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of ten carbon atoms.


A secondary fatty alcohol that is nonadecane substituted by a hydroxy group at position 8.


A secondary fatty alcohol that is nonadecane substituted by a hydroxy group at position 3.


dodecanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twelve carbon atoms.


A secondary fatty alcohol that is octadecane substituted by a hydroxy group at position 8.


A secondary alcohol that is dodecane substituted by a hydroxy group at position 3.


A secondary alcohol that is nonane substituted by a hydroxy group at position 3.


A secondary fatty alcohol that is hexacosane substituted by a hydroxy group at position 11.


A secondary fatty alcohol that is icosane substituted by a hydroxy group at position 7.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 12.


A secondary fatty alcohol that is docosane substituted by a hydroxy group at position 7.


A secondary alcohol that is undecane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 8.


A secondary fatty alcohol that is henicosane substituted by a hydroxy group at position 7.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 4.


A secondary alcohol that is octane substituted by a hydroxy group at position 3.


A primary alcohol that is hexan-1-ol which is substituted by a methyl group and a thiol group at position 3. It is the odor component of human axilla sweat and the major species at pH 7.3.


A secondary fatty alcohol that is docosane substituted by a hydroxy group at position 4.


A secondary alcohol that is dodecane substituted by a hydroxy group at position 5.


A secondary alcohol that is heptane substituted by a hydroxy group at position 2 (the 2S-stereoisomer).


pentadecanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of fifteen carbon atoms.


A terminal acetylenic compound that is prop-2-yne substituted by a hydroxy group at position 1.


A secondary fatty alcohol that is henicosane substituted by a hydroxy group at position 6.


pentacosanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twenty-five carbon atoms.


A secondary alcohol that is undecane substituted by a hydroxy group at position 3.


A secondary fatty alcohol that is tetradecane substituted by a hydroxy group at position 4.


A secondary fatty alcohol that is icosane substituted by a hydroxy group at position 9.


A secondary alcohol that is tridecane substituted by a hydroxy group at position 7.


A very long-chain primary fatty alcohol that is hexacosane in which a hydrogen attached to one of the terminal carbons is replaced by a hydroxy group.


hexadecanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of sixteen carbon atoms.


tricosanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twenty-three carbon atoms.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 8.


A secondary alcohol that is decane substituted by a hydroxy group at position 3.


A secondary fatty alcohol that is tricosane substituted by a hydroxy group at position 10.


A secondary alcohol that is heptane substituted by a hydroxy group at position 4.


A secondary fatty alcohol that is tricosane substituted by a hydroxy group at position 8.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 10.


A fatty alcohol that is tetradecane substituted by a hydroxy group at position 2.


A secondary alcohol that is decane substituted by a hydroxy group at position 5.


A secondary fatty alcohol that is nonadecane substituted by a hydroxy group at position 2.


A secondary alcohol that is dodecane substituted by a hydroxy group at position 4.


A secondary alcohol that is nonane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is hexadecane substituted by a hydroxy group at position 4.


A secondary fatty alcohol that is tricosane substituted by a hydroxy group at position 3.


A 2-penten-1-ol in which the double bond has (Z)-configuration. It is a volatile compound found in green tea, virgin olive oil, and broccoli. It is also used as a fragrance ingredient cosmetics, shampoos and soaps as well as in non-cosmetic products such as household cleaners and detergents.


A secondary fatty alcohol that is icosane substituted by a hydroxy group at position 8.


pentanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of five carbon atoms.


A hexanol in which the hydroxy group is at position 3.


A secondary alcohol that is pentane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is docosane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is nonadecane substituted by a hydroxy group at position 10.


A secondary fatty alcohol that is nonadecane substituted by a hydroxy group at position 7.


A secondary fatty alcohol that is hexacosane substituted by a hydroxy group at position 8.


A secondary fatty alcohol that is tricosane substituted by a hydroxy group at position 12.


A fatty alcohol that is (3E)-dec-3-ene substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is icosane substituted by a hydroxy group at position 10.


A secondary fatty alcohol that is hexacosane substituted by a hydroxy group at position 10.


A secondary fatty alcohol that is docosane substituted by a hydroxy group at position 5.


A secondary fatty alcohol that is tricosane substituted by a hydroxy group at position 9.


A short-chain primary fatty alcohol that is pentane in which a hydrogen of one of the methyl groups is substituted by a hydroxy group. It has been isolated from Melicope ptelefolia.


A secondary fatty alcohol that is icosane substituted by a hydroxy group at position 5.


A secondary fatty alcohol that is nonadecane substituted by a hydroxy group at position 4.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is pentadecane substituted by a hydroxy group at position 4.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 9.


A secondary fatty alcohol that is henicosane substituted by a hydroxy group at position 5.


A secondary fatty alcohol that is pentadecane substituted by a hydroxy group at position 3.


docosanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twenty-two carbon atoms.


A secondary fatty alcohol that is henicosane substituted by a hydroxy group at position 4.


nonadecanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of nineteen carbon atoms.


DECANOL

A fatty alcohol consisting of a hydroxy function at C-1 of an unbranched saturated chain of ten carbon atoms.


A secondary alcohol that is tridecane substituted by a hydroxy group at position 3.


A secondary fatty alcohol that is docosane substituted by a hydroxy group at position 9.


A secondary fatty alcohol that is henicosane substituted by a hydroxy group at position 11.


UNDECANOL

A primary alcohol that is undecane substituted by a hydroxy group at position 1.


heptanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of seven carbon atoms.


A secondary fatty alcohol that is tetradecane substituted by a hydroxy group at position 3.


A secondary alcohol that is undecane substituted by a hydroxy group at position 6.


A secondary alcohol that is nonane substituted by a hydroxy group at position 4.


A very long-chain primary fatty alcohol that is tricosane in which a hydrogen attached to one of the terminal carbons is replaced by a hydroxy group. It has been isolated from bulbs of Polianthes tuberosa, bran from the Italian bread wheat variety Pegaso and its 11 near-isogenic lines, and from the aerial parts of Centaurea austro-anatolica.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 12.


A primary alcohol that is hexane substituted by a hydroxy group at position 1.


A secondary fatty alcohol that is docosane substituted by a hydroxy group at position 3.


A secondary fatty alcohol that is octadecane substituted by a hydroxy group at position 7.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 5.


A hexanol in which the hydroxy group is at position 2.


A medium-chain primary fatty alcohol that is (E)-non-2-ene carrying a hydroxy group at position 1.


A secondary fatty alcohol that is tetradecane substituted by a hydroxy group at position 5.


A secondary fatty alcohol that is nonadecane substituted by a hydroxy group at position 6.


tridecanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of thirteen carbon atoms.


A very long-chain primary fatty alcohol that is pentacosane in which a hydrogen attached to one of the terminal carbons is replaced by a hydroxy group. It has been identified in the roots of Rhodiola imbricata.


A secondary fatty alcohol that is docosane substituted by a hydroxy group at position 10.


A secondary alcohol that is undecane substituted by a hydroxy group at position 5.


A secondary fatty alcohol that is octadecane substituted by a hydroxy group at position 6.


A primary allylic alcohol that is (2E,6Z)-nona-2,6-diene in which a hydrogen at position 1 has been replaced by a hydroxy group.


A secondary alcohol that is octane substituted by a hydroxy group at position 4.


A secondary alcohol that is tridecane substituted by a hydroxy group at position 6.


A very long-chain primary fatty alcohol that is tetracosane in which a hydrogen attached to one of the terminal carbons is replaced by a hydroxy group. It has been isolated from a variety of plants, including grape seeds, evening primrose (Oenothera biennis), pitaya fruits (Hylocereus polyrhizus and Hylocereus undatus), and the flowers of Arabian jasmine (Jasminum sambac).


A secondary fatty alcohol that is tricosane substituted by a hydroxy group at position 11.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 6.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 11.


octanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of eight carbon atoms.


A secondary fatty alcohol that is hexacosane substituted by a hydroxy group at position 7.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 7.


A secondary fatty alcohol that is pentadecane substituted by a hydroxy group at position 5.


A secondary fatty alcohol that is nonadecane substituted by a hydroxy group at position 5.


tetracosanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twenty-four carbon atoms.


A secondary fatty alcohol that is tricosane substituted by a hydroxy group at position 4.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 11.


A secondary fatty alcohol that is tricosane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 4.


A secondary fatty alcohol that is henicosane substituted by a hydroxy group at position 3.


A secondary fatty alcohol that is icosane substituted by a hydroxy group at position 3.


A secondary fatty alcohol that is docosane substituted by a hydroxy group at position 8.


A primary alcohol that is heptane which is substituted by a methyl group at position 6 and a hydroxy group at position 1.


A member of the class of thiophenes that is thiophene in which the hydrogen atom at position 2 is substituted by a methyl group.


hexanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of six carbon atoms.


A secondary alcohol that is decane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is hexadecane substituted by a hydroxy group at position 6.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 3.


A secondary alcohol that is dodecane substituted by a hydroxy group at position 6.


A secondary alcohol that is decane substituted by a hydroxy group at position 4.


hexacosanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twenty-six carbon atoms.


A secondary fatty alcohol that is pentadecane substituted by a hydroxy group at position 6.


nonanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of nine carbon atoms.


A secondary fatty alcohol that is hexacosane substituted by a hydroxy group at position 2.


tetradecanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of fourteen carbon atoms.


A secondary alcohol that is undecane substituted by a hydroxy group at position 4.


A secondary fatty alcohol that is hexacosane substituted by a hydroxy group at position 12.


icosanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twenty carbon atoms.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is hexacosane substituted by a hydroxy group at position 9.


A secondary fatty alcohol that is hexadecane substituted by a hydroxy group at position 8.


A secondary fatty alcohol that is hexacosane substituted by a hydroxy group at position 4.


A secondary fatty alcohol that is icosane substituted by a hydroxy group at position 6.


A secondary alcohol that is heptane substituted by a hydroxy group at position 3.


A secondary fatty alcohol that is octadecane substituted by a hydroxy group at position 9.


An alkanethiol that is butane substituted at position 1 by a hydroxy group and at position 3 by methyl and sulfanyl groups. A volatile organic compound found in coffee, passion fruit juice, beer and domestic cat urine.


A secondary fatty alcohol that is tricosane substituted by a hydroxy group at position 6.


A secondary fatty alcohol that is henicosane substituted by a hydroxy group at position 9.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 3.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 9.


A secondary fatty alcohol that is docosane substituted by a hydroxy group at position 6.


An octanol carrying the hydroxy group at position 2.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 7.


A secondary fatty alcohol that is henicosane substituted by a hydroxy group at position 8.


A secondary fatty alcohol that is tetracosane substituted by a hydroxy group at position 10.


A secondary fatty alcohol that is tricosane substituted by a hydroxy group at position 7.


octadecanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of eighteen carbon atoms.


A secondary fatty alcohol that is octadecane substituted by a hydroxy group at position 4.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 13.


A secondary fatty alcohol that is tetradecane substituted by a hydroxy group at position 7.


A secondary fatty alcohol that is pentacosane substituted by a hydroxy group at position 5.


A secondary fatty alcohol that is hexadecane substituted by a hydroxy group at position 3.


A secondary alcohol that is heptane substituted by a hydroxy group at position 2.


A secondary fatty alcohol that is pentadecane substituted by a hydroxy group at position 8.


A secondary fatty alcohol that is hexadecane substituted by a hydroxy group at position 7.


A secondary fatty alcohol that is icosane substituted by a hydroxy group at position 4.


undecanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of eleven carbon atoms.


A secondary fatty alcohol that is pentadecane substituted by a hydroxy group at position 7.


A secondary alcohol that is tridecane substituted by a hydroxy group at position 5.


henicosanol

A fatty alcohol consisting of a hydroxy function at any position of an unbranched saturated chain of twenty-one carbon atoms.


DIBOA beta-D-glucoside

A beta-D-glucoside having (R)-2,4-dihydroxy-2H-1,4-benzoxazin-3(4H)-one as the anomeric substituent.


LEVOFENFLURAMINE

The R-enantiomer of fenfluramine.


(R)-dinoseb

The (R)-enantiomer of 2-(butan-2-yl)-4,6-dinitrophenol.


quaternary ammonium salt

Derivatives of ammonium compounds, (NH4(+))Y(-), in which all four of the hydrogens bonded to nitrogen have been replaced with univalent (usually organyl) groups.


anisotropine methylbromide

A quaternary ammonium salt resulting from the reaction of the amino group of anisotropine with methyl bromide.


(2S,3R)-glycopyrronium bromide

A glycopyrronium bromide that has (2S,3R)-configuration. The racemate, ritropirronium bromide, is used for treatment of chronic obstructive pulmonary disease.


tetramethylammonium bromide

The bromide salt of tetramethylammonium.


METHSCOPOLAMINE BROMIDE

A quaternary ammonium salt resulting from the reaction of the amino group of scopolamine with methyl bromide.


TETRABUTYLAMMONIUM BROMIDE

A tetrabutylammonium salt with bromide as the anionic counterpart.


PROPYROMAZINE BROMIDE

An organic bromide salt of propyromazine. It is a muscarinic antagonist which has antispasmodic potential.


tetrapropylammonium bromide

A quarternary ammonium bromide salt in which the cation has four propyl substituents around the central nitrogen.


benzododecinium bromide

The organic bromide salt of benzododecinium. It is a cationic surfactant that has antispetic and disinfectant properties.


tiquizium bromide

A organic bromide salt of tiquizium. It is an antispasmodic drug used for the treatment of convulsion and hypermobility in gastritis, gastric ulcer, duodenal ulcer, enteritis, irritable bowel syndrome, gallbladder disease, biliary tract disease and urolithiasis.


octyltrimethylammonium bromide

A quarternary ammonium salt whose basic unit comprises an octyltrimethylammonium cation and a bromide anion.


BUTYLSCOPOLAMINE BROMIDE

An organic bromide salt of butylscopolamine. It is an antispasmodic drug which can relieve painful stomach cramps (including those linked with irritable bowel syndrome), bladder and menstrual cramps.


FM 4-64 dye

A quaternary ammonium salt A liphophilic dye consisting of a dication that is N,N-dibutyl-4-[6-(pyridin-4-yl)hexa-1,3,5-trien-1-yl]aniline in which the nitrogen of the pyridine moiety is substituted by a 3-(triethylammonio)propyl group and two bromide ions. It is used to selectively stain yeast vacuolar membranes with red fluorescence.


decyltrimethylammonium bromide

A quarternary ammonium salt whose basic unit comprises a decyltrimethylammonium cation and a bromide anion.


clidinium bromide

The bromide salt of clinidium. It is used for the symptomatic treatment of peptic ulcer disease and also to help relieve abdominal or stomach spasms or cramps due to colicky abdominal pain, diverticulitis, and irritable bowel syndrome.


A quaternary ammonium salt that is the dibromide salt of 1,1'-hexadecane-1,16-diylbis(1-methylpyrrolidinium).


(2R,3S)-glycopyrronium bromide

A glycopyrronium bromide that has (2R,3S)-configuration. The racemate, ritropirronium bromide, is used for treatment of chronic obstructive pulmonary disease.


butropium bromide

An organic bromide salt of butropium. It is a drug which suppresses spasm of smooth muscles of internal organs, inhibits gastric acid secretion and relieves abdominal pain. It is used in the treatment of spasmodic pains associated with gastritis, gastric ulcers and cholelithiasis.


An N-sulfonylcarboxamide resulting from the formal condensation of the carboxy group of o-naphthalen-2-ylcinnamic acid with the sulfonamide group of 5-bromo-2-methoxybenzenesulfonamide. It is a selective antagonist for the prostanoid receptor EP3, a prostaglandin receptor for prostaglandin E2 (PGE2).


monomethoxybenzene

Compounds containing a benzene skeleton substituted with one methoxy group.


A member of the class of  benzofurans that is  1-benzofuran substituted by a 3-hydroxypropyl group at position 5 and a 4-hydroxy-2-methoxyphenyl group at position 2. It is a lignan derivative isolated from the roots of Krameria lappacea.


A catechin that is (-)-epicatechin in which the hydroxy group at position 4' is replaced by a methoxy group. It is a metabolite of (-)-epicatechin.


guaiacylglycerol beta-coniferyl ether

A guaiacyl lignin that is guaiacylglycerol in which the hydrogen on the 2-hydroxy function has been replaced by a beta-coniferyl group.


guaiacols

Any phenol carrying an additional methoxy substituent at the ortho-position.


A member of the class of  benzofurans that is 1-benzofuran substituted by a 2-hydroxy-4-methoxyphenyl group at position 2 and a 3-hydroxypropyl group at position 5. It is a lignan derivative isolated from the roots of  Krameria lappacea.


(+)-catechin-3'-methyl ether

A member of the class of catechins that is (+)-catechin in which the hydroxy group at position 3' has been replaced by a methoxy group. It is a metabolite of (+)-catechin, a major polyphenol found in several fruits and vegetables.


negundin B

A lignan that consists of 7,8-dihydronaphthalen-2-ol substituted by a 4-hydroxy-3-methoxyphenyl group at position 8, hydroxymethyl groups at positions 6 and 7 and a methoxy group at position 3 (the 7R,8S stereoisomer). Isolated from Vitex negundo, it exhibits inhibitory activity against lipoxygenase.


ISOLARICIRESINOL

A lignan that is  5,6,7,8-tetrahydronaphthalen-2-ol substituted by hydroxymethyl groups at positions 6 and 7, a methoxy group at position 3 and a 4-hydroxy-3-methoxyphenyl group at position 8. It has been isolated from the roots of Rubia yunnanensis.


A tertiary alcohol that is propan-2-ol substituted by a 4-methoxyphenyl group at position 2. Metabolite observed in cancer metabolism.


A member of the class of phenols that is phenol substitutedpby a methoxy group at position 2, a 1-hydroxypropyl group at position 4 and a 2-methoxy-4-propylphenoxy group at position 6 respectively.


juglanin B

A cyclic ketone isolated from the extract of the seed husks of walnuts Juglans regia and has been shown to exhibit cytotoxic activity against human hepatoma cells.


A hydrobromide salt prepared from N-methyl-6-chloro-1-(3-methylphenyl)-2,3,4,5-tetrahydro-3-benzazepine-7,8-diol and one equivalent of hydrogen bromide. Dopamine D1-like receptor partial agonist (Ki values are 1.18, 7.56, 920 and 399 nM for rat D1, D5, D2 and D3 receptors respectively). May act as an antagonist in vivo, producing anti-Parkinsonian effects and antagonising the behavioral effects of cocaine.


perhalometallate salt

A salt where the anion is a perhalometallate anion.


perchlorometallate salt

A salt where the anion is a perchlorometallate anion.


steroid saponin

Any saponin derived from a hydroxysteroid.


A steroid saponin that is (3beta,16beta,20R)-3,16,17-trihydroxycholest-5-en-22-one attached to a alpha-L-arabinopyranosyl residue at position 16 and a beta-D-glucopyranosyl residue at position 3 via a glycosidic linkage. Isolated from Ornithogalum thyrsoides and Galtonia candicans, it exhibits cytotoxic activity.


A sterol 3-beta-D-glucoside that is 16,23-epoxycholest-24-ene-3,22-diol substituted by a 6-deoxy-alpha-L-mannopyranosyl-(1->2)-beta-D-glucopyranosyl-(1->2)-beta-D-glucopyranosyl moiety at position 3 via a glycosidic linkage (the 3beta,5beta,16beta,22R,23S stereoisomer). Isolated from bulbs of Ornithogalum saundersiae, it exhibits inhibitory activity on proliferation of human peripheral blood lymphocytes.


sterol 3-beta-D-glucoside

Any beta-D-glucoside derived from a sterol.


spirostanyl glycoside

Any steroid saponin that consists of a spirostan and its substituted derivatives  as the aglycone moiety.


mannobiose

A glycosylmannose that is D-mannopyranose attached to a beta-D-mannopyranosyl group at position 4 via a glycosidic linkage.


beta-mannobiose

The beta-isomer of mannobiose.


butanediol

A member of the class of butanediols that is butane in which two of the hydrogens have been replaced by hydroxy groups.


butanediols

A diol that is a butanediol or a derivative of a butanediol.


A butane-1,3-diol of S-configuration.


A butane-1,3-diol of R-configuration.


secoisolariciresinol

A lignan that is butane-1,4-diol in which the 2 and 3 positions are substituted by 4-hydroxy-3-methoxybenzyl groups


A glycol that is butane-2,3-diol in which a hydrogen from each of the methyl groups is replaced by a thiol group.


calcium-43 atom

A minor stable isotope of calcium with relative atomic mass 42.95877 and 0.135 atom percent natural abundance.


bisbenzylisoquinoline alkaloid

A type of benzylisoquinoline alkaloid whose structures are built up of two benzylisoquinoline units linked by ether bridges. Various structural patterns resulting from additional bridging between the two units by direct carbon-carbon bridging or by methylenedioxy groups are common.


allenes

Any olefinic compound having two double bonds from one carbon atom to two others.


A sialopentaosylceramide having beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc as the sialopentaosyl component.


(+-)-trans-fustin

A racemate composed of equimolar amounts of (+)- and (-)-trans-fustin.


terpendole J

An organic heteroheptacyclic compound isolated from Albophoma yamanashiensis and has been shown to exhibit inhibitory activity against acyl-CoA:cholesterol acyltransferase.


A glycopentaosylceramide having alpha-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc as the pentasaccharide component.


extended flavonoid

Any flavonoid with one or more rings fused on to the phenyl substituted benzopyran  framework.


Any aminopurine that has amino substituents at positions 2 and 6, and their substituted derivatives.


A 2,6-diaminopurine that is an analogue of abacavir in which the cyclopropylamino group at position 6 of the purine moiety is replaced by a 3-cyclopropyl-3-fluoroazetidin-1-yl group. One of a series of synthesised abacavir analogues with antiviral activity found to stimulate IFN-gamma secretion in abacavir-responsive clones.


polyatomic anion

An anion consisting of more than one atom.


polyphosphate

The phosphorus oxoanion formed from polyphosphoric acid by proton loss from each of the phosphate units. The major species at pH 7.3.


A divalent inorganic anion obtained by removal of both protons from phosphonic acid


hydrogenchromate

A monovalent inorganic anion obtained by deprotonation of one of the two OH groups in chromic acid.


selenate

A divalent inorganic anion obtained by removal of both protons from selenic acid.


hydrogenvanadate

A divalent inorganic anion obtained by removal of two protons from vanadic acid.


hydrogentellurate

A monovalent inorganic anion obtained by removal of a proton from telluric acid.


A vanadium oxoanion that is a trianion with formula VO4 in which the vanadium is in the +5 oxidation state and is attached to four oxygen atoms.


hydrogen dimolybdate

A monovalent inorganic anion that consists of dimolybdic acid where one of the two OH groups has been deprotonated.


A tellurium oxoanion that is the conjugate base of methanetelluronic acid.


A trivalent inorganic anion obtained by removal of all three protons from cyclotriphosphoric acid.; major species at pH 7.3.


hydrogenphosphate

A phosphate ion that is the conjugate base of dihydrogenphosphate.


A trivalent inorganic anion obtained by removal of all three protons from diphosphoric acid.


metavanadate

A vanadium oxoanion in which a central vanadium is divalently bound to two oxygens and monovalently bound to a hydroxide.


tungstate

A divalent inorganic anion obtained by removal of both protons from tungstic acid.


hydrogenmolybdate

A monovalent inorganic anion that consists of molybdic acid where one of the two OH groups has been deprotonated.


antimonite

A trivalent inorganic anion obtained by removal of all three protons from antimonous acid.


manganate

A divalent inorganic anion obtained by removal of both protons from manganic acid.


A trivalent inorganic anion obtained by removal of three protons from triphosphoric acid.


A phosphorus oxoanion obtained by selective deprotonation of the SH goup and one of the OH groups of dithiophosphoric acid.


A nitrogen oxoanion arising from deprotonation of the hydroxy group of nitroethane.


A divalent inorganic anion obtained by removal of both protons from diphosphoric acid.


A divalent inorganic anion obtained by removal of both protons from dimolybdic acid.


A monovalent inorganic anion that consists of orthotelluric acid where one of the six OH groups has been deprotonated.


oxoanion

An oxoanion is an anion derived from an oxoacid by loss of hydron(s) bound to oxygen.


hydrogenselenophosphate

Dianionic form of selenophosphoric acid.


A monovalent inorganic anion that consists of antimonic acid where one of the three OH groups has been deprotonated.


hydrogen manganate

A manganese oxoanion that consists of manganic acid where one of the two OH groups has been deprotonated.


A monovalent inorganic anion obtained by deprotonation of one of the two OH groups in phosphonic acid.


hydrogenphosphite

A divalent inorganic anion resulting from the removal of a proton from two of the hydroxy groups of phosphorous acid.


A divalent inorganic anion obtained by removal of two protons from triphosphoric acid.


phosphate ion

A phosphorus oxoanion that is the conjugate base of phosphoric acid.


dihydrogenphosphate

A monovalent inorganic anion that consists of phosphoric acid in which one of the three OH groups has been deprotonated.


selenophosphate

A trivalent inorganic anion obtained by removal of all three protons from selenophosphoric acid.


dihydrogenphosphite

A monovalent inorganic anion obtained by deprotonation of phosphorous acid.


A manganese oxoanion that consists of hypomanganic acid where one of the three OH groups has been deprotonated.


A chromium oxoanion resulting from the removal of two protons from chromic acid.


A divalent inorganic anion obtained by removal of two protons from antimonic acid.


A monovalent inorganic anion obtained by deprotonation of one of the two OH groups in diphosphoniic acid.


A trivalent inorganic anion obtained by removal of all three protons from phosphorous acid.


polyvanadate

A compound composed of linked vanadate units.


hydrogen dichromate

A monovalent inorganic anion obtained by deprotonation of one of the two OH groups in dichromic acid.


hypomanganate

A trivalent inorganic anion obtained by removal of all three protons from hypomanganic acid.


dihydrogenvanadate

A monovalent inorganic anion that consists of vanadic acid where one of the three OH groups has been deprotonated.


borate ion

Any inorganic anion that is formally derived from boric acid. The term includes polymeric anions containing chains of BO3 structural units sharing one oxygen atom (e.g. di-, tri-, and tetraborates) as well as chains or rings sharing two oxygen atoms (e.g. metaborates).


A phosphorus oxoanion resulting from the removal of one proton from the phosphonic acid group of tenofovir. The major microspecies at pH 7.3.


A phosphorus oxoanion obtained by selective deprotonation of two of the three phosphate OH groups of thiophosphoric acid.


A divalent inorganic anion obtained by removal of two protons from hypomanganic acid.


N-arachidonoylsphinganine

A dihydroceramide in which the N-acyl group is specified as arachidonoyl.


nitronaphthalene

A nitroarene that is  naphthalene substituted by at least one nitro group.


A 17-membered macrocyclic lactam that incorporates a phenol and a substituted indole moiety. A stereoisomer of TMC-95A, it has a [(3R)-3-methyl-2-oxopentanoyl]amino group at position 18. It acts as a proteasome inhibitor and is isolated from Apiospora montagnei Sacc. TC 1093, isolated from a soil sample.


thiochromane

Any organic heterobicyclic compound consisting of a benzene ring fused to a thiopyran.


dibenzopyran

Any organic heteropolycyclic compound based on a skeleton consisting of a pyran ring fused with two benzene rings.


A lignan that consists of (+)-lyoniresinol attached to two beta-D-glucopyranosyl units at positions 4 and 4' via glycosidic linkages. Isolated from Indigofera heterantha, it exhibits inhibitory activity against lipoxygenase.


benzimidazole fungicide

Compounds that contain a benzimidazole moiety as a key feature of their structure and which have been used as fungicides.


naphthalenes

Any benzenoid aromatic compound having a skeleton composed of two ortho-fused benzene rings.


A steroid compound with a structure based on a 18-carbon (estrane) skeleton.


(+)-pisatin

A member of the class of pterocarpans that is the 3-O-methyl ether of (+)-6a-hydroxymaackiain (the 6aR,12aR stereoisomer). A phytoalexin found in pods of garden peas (Pisum sativum) and other plants of the pea family, including Tephrosia candida.


adamantanes

Compounds containing an adamantane skeleton.


tryptophol-2-sulfonic acid

An indolyl alcohol that is tryptophol which is substituted by a sulfo group at position 2.


A hydroxylamine that is N-hydroxyquinolin-4-one in which the hydrogen at position 2 has been replaced by a (1E)-non-1-en-1-yl group. It is the most active agent produced by Pseudomonas aeruginosa that modulates the growth and virulence of Staphylococcus aureus; the corresponding Z isomer is inactive.


A dicarboximide having an exo bridged phthalimide structure, substituted at nitrogen by a 4-(quinolin-8-ylcarbamoyl)benzoyl group. It is a weak axin stabilizer, an analogue of  IWR-1-endo.


pamapimod

A member of the class of pyridopyrimidines that is 8-methylpyrido[2,3-d]pyrimidin-7(8H)-one carrying additional (1,5-dihydroxypentan-3-yl)amino and 2,4-difluorophenoxy substituents at positions 2 and 6 respectively. It is a potent inhibitor of MAPK and is used for treatment of rheumatoid arthritis.


naphthalenediols

Any hydroxynaphthalene derivative that has two hydroxy substituents.


hydroxyflavan

A member of the class of flavans in which one or more ring hydrogens are replaced by hydroxy groups.


isoquinolines

A class of organic heteropolycyclic compound consisting of isoquinoline and its substitution derivatives.


sapogenin

Any organic polycyclic compound that is the aglycon moiety of a saponin; sapogenins may be steroids or triterpenoids.


androstanoid

Any steroid based on an  androstane skeleton and its derivatives.


folic acids

A group of heterocyclic compounds based on the pteroic acid skeleton conjugated with one or more L-glutamic acid units.


A member of the class of  benzofurans that is 2,3-dihydro-1-benzofuran substituted by a hydroxymethyl group at position 3, a prop-1-en-1-yl group at position 5 and a 4-hydroxyphenyl group at position 2. It is a lignan derivative isolated from the roots of Krameria lappacea.


pyrrolidinopiperidine

Any organic heterobicyclic compound containing ortho-fused pyrrolidine and piperidine rings.


indoles

Any compound containing an indole skeleton.


quinolizidines

An organic heterobicyclic compound that is the octahydro derivative of 2H-quinolizine. The parent of the class of quinolizidines.


A guaiacyl lignin that is scopoletin in which the phenolic hydrogen is replaced by a guaiacylglycerol group. It is found in Arabidopsis thaliana.


okaramine C

An indole alkaloid isolated from Penicillium simplicissimum. It exhibits insecticidal activity.


An oxopurine that is xanthine which is substituted at positions 1 and 3 by methyl and isobutyl groups, respectively.


PROBENAZOL

A member of the class of 1,2-benzothiazoles that is 1,2-benzothiazole 1,1-dioxide substituted at position 3 by an allyloxy group. A fungicide used to control rice blast.


benzodioxine

Any organic heterobicyclic compound containing ortho-fused benzene and dioxine rings.


TRIBOA beta-D-glucoside

A beta-D-glucoside having (R)-2,4,7-trihydroxy-2H-1,4-benzoxazin-3(4H)-one as the anomeric substituent.


17alpha-hydroxy steroid

The alpha-stereoisomer of 17-hydroxy steroid.


dihydrofolic acids

A group of heterocyclic compounds based on the 7,8-dihydropteroic acid skeleton conjugated with one or more L-glutamic acid units.


phenanthrenes

Any benzenoid aromatic compound that consists of a phenanthrene skeleton and its substituted derivatives thereof.


verruculogen

An organic heterohexacyclic compound that is a mycotoxic indole alkaloid isolated from Penicillium and Aspergillus species.


A steroid compound with a structure based on a 19-carbon (androstane) skeleton.


perylenes

An organic molecule that contains a perylene skeleton.


Any C21-steroid carrying a hydroxy substituent at position 21.


(R,S,S,S)-nebivolol

A 2,2'-iminobis[1-(6-fluoro-3,4-dihydro-2H-chromen-2-yl)ethanol] that has (1S,1'S,2R,2'S)-configuration.


Any aminopurine having the amino substituent at the 2-position.


4-hydroxy steroid

Any steroid bearing a 4-hydroxy substituent.


N-hydroxy-PhIP

An imidazopyridine that is 1H--imidazo[4,5-b]pyridine which is substituted at positions 1, 2, and 6 by methyl, hydoxyamino, and phenyl groups, respectively. The active metabolite of the dietary carcinogen PhIP.


ortho- and peri-fused compound

A polycyclic compound in which one ring contains two, and only two, atoms in common with each of two or more rings of a contiguous series of rings. Such compounds have n common faces and less than 2n common atoms.


pedunculosumoside B

A homoflavonoid glycoside that is 5'-prenylophioglonol attached to beta-D-glucopyranosyl residues at positions 7 and 4' respectively via glycosidic linkages. It has been isolated from the whole plants of Ophioglossum pedunculosum.


1-hydroxy steroid

A hydroxy steroid having a hydroxy group located at position 1.


(S)-talarozole

An N-{4-[2-ethyl-1-(1H-1,2,4-triazol-1-yl)butyl]phenyl}-1,3-benzothiazol-2-amine that is the (S)-enantiomer of talarozole. The racemate is used for the treatment of keratinization disorders, psoriasis and acne.


anthracenes

Compounds containing an anthracene skeleton.


(+)-EPICATECHIN

A catechin that is flavan carrying five hydroxy substituents at positions 3, 3', 4', 5 and 7 (the 2S,3S-stereoisomer).


gallocatechin

A catechin that is a flavan substituted by hydroxy groups at positions 3, 3', 4', 5, 5' and 7 (the trans isomer). It is isolated from  Acacia mearnsii.


mononitronaphthalene

A nitronaphthalene carrying a single nitro group at unspecified position.


hypoxanthine 3-N-oxide

An oxopurine that is 3,9-dihydro-6H-purine which is substituted by an oxo group at position 6 and in which the hydrogen attached to the nitrogen at position 3 is replaced by a hydroxy group. It is a major component of Schreckstoff, an alarm pheromone found in fish.


A member of the class of pterocarpans that is (6aS,11aS)-3,6a,9-trihydroxypterocarpan in which the hydrogen atom at position 4 is substituted by a 3-methylbut-2-en-1-yl group.


uric acid

An oxopurine that is the final oxidation product of purine metabolism.


R-epinastine

An epinastine that has R configuration at the chiral centre.


name: ortho- and peri-fused tricyclic hydrocarbon


flavonolignan

Any lignan condensed with a 2-aryl-1-benzopyran skeleton and its substituted derivatives.


spiroketal

A cyclic ketal in which the ketal carbon is the only common atom of two rings.


benzisoxazole

Compounds based on a fused 1,2-oxazole and benzene bicyclic ring skeleton.


ortho-fused heteroarene

An ortho-fused compound in which at least one of the rings contains at least one heteroatom.


6-bromo-2-naphthyl beta-D-glucoside

A beta-D-glucoside that is beta-D-glucopyranose in which the anomeric hydroxy hydrogen is replaced by a 6-bromo-2-naphthyl group.


naphthohydroquinone

A hydroxynaphthalene that is naphthalene-1,4-diol and its C-substituted derivatives.


polycyclic cage

A polycyclic compound having the shape of a cage.


alkyloxynaphthalene

Naphthalenes in which one or more alkyloxy groups are bonded to a naphthalene ring system.


5beta steroid

Any steroid that has beta-configuration at position 5.


neoflavones

Any neoflavonoid with a 4-aryl-2H-1-benzopyran-2-one (4-arylcoumarin) skeleton and its substituted derivatives.


Any C21-steroid carrying a hydroxy substituent at the 17alpha-position. Note that individual examples may have ring substituents at other positions and/or contain double bonds, aromatic A-rings, expanded/contracted rings etc., so the formula and mass may vary from that given for the generic structure.


A member of the class of pterocarpans that is (6aS,11aS)-6a,11a-dihydro-6H-[1]benzofuro[3,2-c]chromene which is substituted by a hydroxy group at position 3, a second hydroxy group at position 6a (resulting in the CIP stereochemical designation changing to R,R), and a methylenedioxy group at positions 8-9. It is a metabolite of the pea phytoalexin (+)-pisatin, produced by the pea-pathogenic Fusarium oxysporum forma specialis pisi, and a number of other fungi, including Fusarium anruioides, Fusarium avenaceum, Mycosphaerella pinodes, and Stemphylium botryosum.


phthalimides

A dicarboximide that is phthalimide or derivatives obtained from it by the formal replacement of one or more hydrogens.


N-(naphthyl)carboxamide

Any secondary carboxamide resulting from the formal condensation of a carboxylic acid with 1- or 2-naphthylamine.


benzoxaborole

Any organic heterobicyclic compound that consists of an oxoborole ring that is ortho-fused to a benzene ring.


S-epinastine

An epinastine that has S configuration at the chiral centre.


2-hydroxy steroid

Any  hydroxy steroid carrying a hydroxy group at position 2.


N-acylindole

A carboxamide resulting from the formal condensation of a carboxylic acid with the nitrogen of an indole.


azatetracycloalkane

Any organic heterotetracyclic compound where at least one of the specified hetero atoms is nitrogen.


thienopyrimidine

A class of aromatic heterobicyclic compounds each of which contains a pyrimidine ring ortho fused to a 5-membered thiophene ring.


octahydronaphthalenes

Any carbobycyclic compound that is an octahydronaphthalene or a compound obtained from an octahydronaphthalene by formal substitution of one or more hydrogens.


spiro-epoxide

An oxaspiro compound in which a carbon atom of an epoxide ring is the only common member of two rings.


steroid hormone

Any steroid that acts as hormone.


fused compound

A polycyclic compound that contains more than one ring with at least two common atoms (also known as bridgehead carbons) that are adjacent to each other.


strychnine N-oxide

A tertiary amine oxide resulting from the oxidation of the non-acylated nitrogen of strychnine. It is a metabolite of strychnine.


fluorinated steroid

A steroid which is substituted with one or more fluorine atoms in any position.


name: 2,5-dimethoxybenzenesulfonic acid (1,3-dioxo-2-isoindolyl) ester


hydroxycoumarin

Any coumarin carrying at least one hydroxy substituent.


carbapenems

The class of beta-lactam antibiotics that whose members have a carbapenem skeleton which is variously substituted at positions 3, 4, and 6.


corticosteroid

A natural or synthetic analogue of the hormones secreted by the adrenal gland.


cholestanoid

Any steroid based on a cholestane skeleton and its derivatives.


SOULATTROLIDE

A member of the class of coumarins that is 11,12-dihydro-2H,6H,10H-dipyrano[2,3-f:2',3'-h]chromen-2-one substituted by a phenyl group at position 4, methyl groups at positions 6, 6, 10 and 11 and a hydroxy group at position 12 (the 10S,11R,12S stereoisomer). Isolated from  Calophyllum brasiliense and Calophyllum soulattri, it exhibits anti-HIV activity.


A benzimidazole that is benzimidazol-2-one substituted at position 4 by a 3-(tert-butylamino)-2-hydroxypropoxy group.


isobenzofuranone

A 2-benzofuran containing one or more oxo groups.


7alpha-hydroxy steroid

A 7-hydroxy steroid in which the hydroxy group at position 7 has an alpha-configuration.


dithiolopyrrolone antibiotic

A class of antibiotics that possess the unique pyrrolinonodithiole (4H-[1,2]dithiolo[4,3-b]pyrrol-5-one) skeleton linked upto three variable acyl groups.


Any compound having 6-aminopurine (adenine) as part of its structure.


PEDUNCULOSUMOSIDE A

A homoflavonoid glycoside that is ophioglonol substituted by a prenyl group at position 5' as well as 2-O-(beta-D-glucopyranosyl)-beta-D-glucopyranosyl and beta-D-glucopyranosyl residues at positions 7 and 4' respectively via glycosidic linkages. Isolated from the whole plants of Ophioglossum pedunculosum, it exhibits  anti-HBV activity.


1,8-naphthyridine derivative

Any naphthyridine derivative that is a derivative of 1,8-naphthyridine.


(R)-nomifensine

The R enantiomer of nomifensine.


stattic

A member of the class of 1-benzothiophenes that is 1-benzothiophene-1,1-dioxide substituted at position 6 by a nitro group. Used as a radiosensitising agent for esophageal squamous cell carcinoma.


pyrrolotriazine

Any organic heterobicyclic compound containing ortho-fused pyrrolidine and triazine rings.


epoxy steroid

Any steroid whose structure includes an epoxy group.


A chromenol that is 2-(4-hydroxyphenyl)-4H-1-benzopyran carrying four additional hydroxy substituents at positions 3, 4, 5 and 7.


polycyclic alkane

A polycyclic saturated hydrocarbon.


TETRAMISOLE

An imidazothiazole that is imidazo[2,1-b][1,3]thiazole in which the double bonds at the 2-3 and 5-6 positions have been reduced to single bonds and in which one of the hydrogens at position 6 is replaced by a phenyl group.


(+)-lyoniresinol

A lignan that is tetralin substituted by a 4-hydroxy-3,5-dimethoxy group at position 4, hydroxymethyl groups at positions 2 and 3, methoxy groups at positions 5 and 7 and a hydroxy group at position 6. Isolated from Machilus robusta and Sinocalamus affinis, it exhibits antineoplastic activity.


asphodelin A-4'-O-beta-glucoside

A beta-D-glucoside in which a beta-D-glucopyranosyl residue is attached at position 4' of asphodelin A via a glycosidic linkage. It is isolated from the roots of Asphodelus microcarpus and exhibits antimicrobial activity against bacteria like Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa and fungal microorganisms like Candida albicans and Botrytis cinerea.


buddlenol C

A guaiacyl lignin that is syringaresinol in which one of the phenolic hydrogens is replaced by a guaiacylglycerol group. It is found in Arabidopsis thaliana.


aza-steroid

An aza-steroid is a steroid where in the carbon skeleton a carbon atom is replaced by nitrogen.


hydroxynaphthalene

Any member of the class of  naphthalenes that is naphthalene carrying one or more hydroxy groups.


FRAXINE

A beta-D-glucoside that is fraxetin attached to a beta-D-glucopyranosyl group at position 8 via a glycosidic linkage. It is a natural product isolated from the leaves of Fraxinus excelsior and exhibits potent hepatoprotective effects in vitro and in vivo.


benzophenanthridine alkaloid

A specific group of isoquinoline alkaloids that occur only in higher plants and are constituents mainly of the Papaveraceae family.


coumestans

Members of the class of benzofurochromene with a 6H-[1]benzofuro[3,2-c]chromene skeleton and its substituted derivatives. They are the 3,4-didehydroderivatives of pterocarpans.


perylenediimide

The 3,4,9,10-tetracarboxylic diimide derivative of perylene.


tetracyclic antidepressant

An antidepressant whose molecular structure consists of four ring-like structures in a T-shape.


ortho-fused compound

A polycyclic compound in which two rings have two, and only two, atoms in common. Such compounds have n common faces and 2n common atoms.


fullerene

A compound composed solely of an even number of carbon atoms, which form a cage-like fused-ring polycyclic system with twelve five-membered rings and the rest six-membered rings. The term has been broadened to include any closed cage structure consisting entirely of three-coordinate carbon atoms.


pyridopyrimidine

Any organic heterobicyclic compound consisting of a pyridine ring ortho-fused at any position to a pyrimidine ring.


Compounds based on a fused 1,3-oxazole and benzene bicyclic ring skeleton.


A fluorescent dye having an absorption wavelength of 580 nm and an emission wavelength of 601 nm, derived from a xanthene-based heteroheptacycle.


FLAVANE

The simplest member of the class of flavans that is chromane substituted by a phenyl group at position 2.


An oxindole that is indolin-2-one substituted at position 3 by thiazol-2-yl and hydroxy groups.


steroid

Any of naturally occurring compounds and synthetic analogues, based on the cyclopenta[a]phenanthrene carbon skeleton, partially or completely hydrogenated; there are usually methyl groups at C-10 and C-13, and often an alkyl group at C-17. By extension, one or more bond scissions, ring expansions and/or ring contractions of the skeleton may have occurred. Natural steroids are derived biogenetically from squalene which is a triterpene.


spiro compound

A compound having one atom as the only common member of two rings.


isonitramine

A azaspiro compound that is 2-azaspiro[5.5]undecane carrying a hydroxy substituent at position 7 (the 6R,7R-diastereomer). A synthetic Nitraria alkaloid.


14beta-hydroxy steroid

A 14-hydroxy steroid in which the hydroxy group has a beta-configuration.


7-hydroxy steroid

A hydroxy steroid carrying a hydroxy substituent at position 7.


terpendole L

A natural product found in Albophoma yamanashiensis.


FLUMIOXAZIN

A benzoxazine that is N-(prop-2-yn-1-yl)-2H-1,4-benzoxazin-3(4H)-one which is substituted at position 6 by a 1,3-dioxo-1,3,4,5,6,7-hexahydro-2H-isoindol-2-yl group and at position 7 by a fluorine. A protoporphyrinogen oxidase inhibitor, it is used for the control of weeds in soya, peanuts, and a variety of vegetable and fruit crops.


Any carboxamide resulting from the formal condensation of a carboxylic acid with 2-naphthylamine.


benzimidazoles

An organic heterocyclic compound containing a benzene ring fused to an imidazole ring.


An oxaspiro compound that is 1,2-dioxaspiro[4.5]decane substituted by methyl, 2-hydroxyethyl and tert-butyl groups at positions 3, 3 and 8, respectivey (the 5s,8s-stereoisomer). It induces ferroptosis in cancer cells by indirectly inhibiting glutathione peroxidase 4 (GPX4) enzymatic function and directly oxidizes iron leading to widespread lipid peroxidation.


benzazepine

A group of two-ring heterocyclic compounds consisting of a benzene ring fused to an azepine ring.


(S)-dyphylline

The (S)-enantiomer of dyphylline.


stigmastane derivative

Any steroid (or derivative) based on a stigmastane skeleton.


A ring assembly that consists of robinetinidol attached to a gallocatechin unit resulting in a bond between C-4 of the pyran ring and C-8 of the benzopyran ring. It is isolated from Acacia mearnsii.


flavonoid oligomer

A phenylpropanoid obtained by the coupling of two or more units of aryl-substituted benzopyran units and their substituted derivatives.


RACEMETHORPHAN

An organic heterotetracyclic compound that is 1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene which is substituted by a methoxy group at position 6 and a methyl group at position 11.


(R)-talarozole

An N-{4-[2-ethyl-1-(1H-1,2,4-triazol-1-yl)butyl]phenyl}-1,3-benzothiazol-2-amine that is the (R)-enantiomer of talarozole. The racemate is used for the treatment of keratinization disorders, psoriasis and acne.


benzodiazepine

A group of heterocyclic compounds with a core structure containing a benzene ring fused to a diazepine ring.


2'-deoxymeranzin hydrate

A member of the class of coumarins carrying methoxy and 3-hydroxy-3-methylbutyl substituents at positions 7 and 8 respectively.


hexahydronaphthalenes

Any carbobycyclic compound that is an hexahydronaphthalene or a compound obtained from an hexahydronaphthalene by formal substitution of one or more hydrogens.


fluorescein isothiocyanate

An oxaspiro compound that is an isothiocyanato derivative of fluorescein. It exists as two isomers, with the isothiocyanato group located at either the 5- or 6-position.


azaspiro compound

An azaspiro compound is a spiro compound in which at least one of the cyclic components is a nitrogen heterocyle.


rhodamine 6G(1+)

A cationic fluorescent dye derived from 9-phenylxanthene.


hydroxyflavonoid

Any flavonoid in which one or more ring hydrogens are replaced by hydroxy groups.


pyrimidopyrimidine

An organic heterobicyclic compound with a skeleton consisting of two pyrimidine rings that are ortho-fused to each other at any position.


A neolignan isolated from the stems of Sinocalamus affinis.


naphthyridine derivative

Any organonitrogen heterocyclic compound that is a derivative of a naphthyridine.


1-naphthyl beta-D-glucoside

A beta-D-glucoside that is beta-D-glucopyranose in which the anomeric hydroxy hydrogen has been replaced by a 1-naphthyl group.


(-)-GALLOCATECHIN

A a gallocatechin that has (2S,3R)-configuration.


A  neolignan isolated from the stems of Sinocalamus affinis.


asperparaline A

An alkaloid isolated from Aspergillus aculeatus.


cinnolines

Any  organic heteropolycyclic compound based on the 1,2-diaza analogue of naphthalene and its substituted derivatives.


indolobenzazepine

An organic heterotetracyclic compound that consists of an indole moiety ortho-fused to any benzazepine.


A ring assembly that consists of robinetinidol attached to a (+)-catechin unit resulting in a bond between C-4 of the pyran ring and C-8 of the benzopyran ring. It is isolated from Acacia mearnsii.


benzoxazocine

An organonitrogen heterocyclic compound that consists of a benzene ring ortho-fused at any position to an oxazocine ring.


14-NORPSEUROTIN A

An alkaloid that is the 14-nor derivative of pseurotin A. Isolated from Aspergillus sydowii, it exhibits antibacterial, antileishmanial and anticancer activities.


2alpha-hydroxy steroid

A 2-hydroxy steroid in which the hydroxy group at position 2 has an alpha-configuration.


26-hydroxy steroid

Any hydroxy steroid in which a hydroxy group is located at position 26.


PEDUNCULOSUMOSIDE F

A homoflavonoid glycoside that is ophioglonol attached to beta-D-glucopyranosyl residues at positions 7 and 4' respectively via glycosidic linkages. It has been isolated from the whole plants of Ophioglossum pedunculosum.


SB 204741

A member of ther class of ureas that is urea in which a hydrogen attached to one of the nitrogens has been replaced by an N-methylindol-5-yl group, while a hydrogen attached to the other nitrogen has been replaced by a 3-methyl-1,2-thiazol-5-yl group. It is a potent and selective antagonist for the 5-hydroxytryptamine 2B (5-HT2B) receptor.


A 17-membered macrocyclic lactam that incorporates a phenol and a substituted indole moiety. It includes a S-hydroxy group at position 11 and a (3-methyl-2-oxopentanoyl)amino group at position 18 with a S-methyl group. It acts as a proteasome inhibitor and is isolated from Apiospora montagnei Sacc. TC 1093, isolated from a soil sample.


biflavonoid

A flavonoid oligomer that is obtained by the oxidative coupling of at least two units of aryl-substituted benzopyran rings or its substituted derivatives, resulting in the two ring systems being joined together by a single atom or bond.


A hydroxyflavan  that is 3,4-dihydro-2H-chromene which is substituted at positions 3, 5, and 7 by hydroxy groups, and at position 2 by a 3,4,5-trihydroxyphenyl group.


histrionicotoxin

An azaspiro compound that is 1-azaspiro[5.5]undecane substituted by a hydroxy group at position 8, a but-1-en-3-yn-1-yl group at position 7 and a pent-3-en-1-yn-5-yl group at position 2 (the 2S,6R,7S,8S stereoisomer).


Tryptamine and its substitution derivatives.


A  flavonolignan isolated from the stems of Sinocalamus affinis.


An indole phytoalexin that is camalexin in which the hydrogen at position 6 on the indole fragment has been replaced by a methoxy group.


repotrectinib

An azamacrocycle with formula C18H18FN5O2. It is a tyrosine kinase inhibitor (highly potent against ROS1, TRKA-C, and ALK) used for the treatment of locally advanced or metastatic ROS1-positive non-small cell lung cancer.


isobrucine N-oxide

A monoterpenoid indole alkaloid with formula C23H26N2O5, originally isolated from the seeds of Strychnos nux-vomica.


EPIAFZELECHIN (2R,3R)(-)

A catechin derivative having (2R,3R)-configuration.


purine nucleobase

A nucleobase whose skeleton is derived from purine.


name: 2-thiophenecarboxylic acid 2-(1,3-dioxo-2-isoindolyl)ethyl ester


tetrahydrofolic acid

A group of heterocyclic compounds based on the 5,6,7,8-tetrahydropteroic acid skeleton conjugated with one or more L-glutamic acid units.


A chromenol that is 2-(3,4-dihydroxyphenyl)-4H-1-benzopyran carrying four additional hydroxy substituents at positions 3, 4, 5 and 7.


biopterin

A pterin derivative that consists of pterin bearing amino, oxo and 1,2-dihydroxypropyl substituents at positions 2, 4 and 6 respectively. The parent of the class of biopterins; the L-erythro isomer occurs widely in nature.


cephamycin

Any member of the cephamycin sub-group of cephem antibiotics, differing from cephalosporins in possessing a methoxy group at the 7alpha-position of the cephem nucleus, and in being resistant to beta-lactamase.


GM3 lactam

A lactam obtained via formal condensation of the carboxy group of an N-acetylneuraminyl residue and the amino group of the adjacent galactosamine residue in the ganglioside (2S,3R,4E)-3-hydroxy-2-(stearoylamino)octadec-4-en-1-yl N-acetylneuraminyl-(2->3)-beta-D-galactosaminyl-(1->4)-beta-D-glucoside.


aminocoumarin

Any coumarin carrying at least one amino substituent.


oxaspiro compound

A spiro compound in which at least one of the cyclic components is an oxygen heterocyle.


afzelechin

A tetrahydroxyflavan that is  (2S)-flavan substituted by hydroxy groups at positions 3, 5, 7 and 4' respectively.


thienopyridine

Any organic heterobicyclic compound whose skeleton results from the formal ortho-fusion of any bond of a pyridine with any bond of a thiophene.


7beta-hydroxy steroid

A 7-hydroxy steroid in which the hydroxy group at position 7 has beta-configuration.


aminopurine

Any purine having at least one amino substituent.


carbobicyclic compound

A bicyclic compound in which all the ring atoms are carbon.


penams

Natural and synthetic antibiotics containing the 4-thia-1-azabicyclo[3.2.0]heptan-7-one structure, generally assumed to have the 5R configuration unless otherwise specified.


steroid acid

Any steroid substituted by at least one carboxy group.


furofuran

Organic heterobicyclic compounds containing a two furan rings ortho-fused to each other.


A hydroxycoumarin that is 4-hydroxycoumarin which is substituted at position 3 by a 4-azidobenzyl group. It is a photoaffinity probe used in the identification of warfarin-binding proteins present in mammalian tissue.


An indan-1-ol in which the carbon bearing the hydroxy group has S configuration.


A member of the class of pteridines that is lpteridine-4,7(3H,8H)-dione carrying additional amino, 1-hydroxypropyl and methyl substituents at positions 2, 6 and 8.


oxa-steroid

A steroid where in the carbon skeleton a carbon atom is replaced by oxygen.


carbotricyclic compound

A carbopolyclic compound comprising of three carbocyclic rings.


N-(hydroxymethyl)phthalimide

A primary alcohol comprising phthalimide carrying an N-hydroxymethyl substituent.


carbacephem

Any member of a group of synthetic antibiotics, similar to cephems but with carbon substituted for the sulfur; all possessing an acylated amine functionality at C-6 and (S,R) stereochemistry at C-6 and C-7.


pyrimidopyridazine

Any organic heterobicyclic compound containing ortho-fused pyrimidine and pyridazine rings.


dihydroisocoumarins

Any member of the class of  isochromanes that is based on the skeleton of 3,4-dihydroisocoumarin and its substituted derivatives thereof.


alamarine

A member of the class of isoquinolinonaphthyridines that is 5,6-dihydroisoquinolino[2,1-b][2,7]naphthyridin-8-one bearing additional hydroxy, methoxy and 1-hydroxyethyl substituents at positions 2, 3 and 12.


chromones

A chromenone that consists of a 1,4-benzopyrone skeleton and its substituted derivatives thereof.


DAEDALIN A

A chromenol that is 2H-chromen-6-ol substituted at position 2 by a hydroxymethyl and a methyl group ( the 2R stereoisomer). Isolated from the mycelial culture broth of Daedalea dickinsii, it exhibits tyrosinase inhibitory and radical scavenging activities.


tetrahydroxyflavan

Any hydroxyflavan containing 4 hydroxy groups.


carbopolycyclic compound

A polyclic compound in which all of the ring members are carbon atoms.


bridged compound

A polycyclic compound that contains more than one ring with at least two common atoms (also known as bridgehead carbons) that are not adjacent to each other.


polycyclic arene

A polycyclic aromatic hydrocarbon.


11beta-hydroxy steroid

Any 11-hydroxy steroid in which the hydroxy group at position 11 has beta- configuration.


chromenochromene

Any organic heteroolycyclic compound whose skeleton two ortho-fused chromene rings, and their derivatives.


tetrahydrochromenochromene

Any chromenochromene resulting from the formal cis-fusion of two dihydro chromene rings, together with their substituted derivatives.


(S,R,R,R)-nebivolol

A 2,2'-iminobis[1-(6-fluoro-3,4-dihydro-2H-chromen-2-yl)ethanol] that has (1R,1'R,2R,2'S)-configuration.


A 17-membered macrocyclic lactam that incorporates a phenol and a substituted indole moiety. It includes a R-hydroxy group at position 11 and a (3-methyl-2-oxopentanoyl)amino group at position at position 18 with a S-methyl group. It acts as a proteasome inhibitor and is obtained from Apiospora montagnei Sacc. TC 1093, isolated from a soil sample.


oxatetracycloalkane

Any organic heterotetracyclic compound where at least one of the specified hetero atoms is oxygen.


A natural product found in Sinocalamus affinis.


furopyridazine

Any organic heterobicyclic compound containing ortho-fused furan and pyridazine rings.


fumitremorgin A

An organic heterohexacyclic compound that is a mycotoxic indole alkaloid obtained by prenylation of the 10-hydroxy group of verruculogen.


flavans

Any flavonoid with a 3,4-dihydro-2-aryl-2H-1-benzopyran skeleton and its substituted derivatives.


methoxynaphthalene

Any alkyloxynaphthalene bearing one or more methoxy substituents.


C21-steroid hormone

A steroid compound with a structure based on a 21-carbon (pregnane) skeleton that acts as a hormone.


neoflavonoid

Any 1-benzopyran with an aryl substituent at position 4. The term was originally restricted to natural products, but is now also used to describe semi-synthetic and fully synthetic compounds.


ecdysteroid

A class of steroids that include insect moulting and sex hormones.


(-)-syringaresinol

The (7beta,7'beta,8beta,8'beta)-stereoisomer of syringaresinol.


17-hydroxy steroid

A hydroxy steroid carrying a hydroxy group at position 17.


(6S)-5,6,7,8-tetrahydrofolic acid

A derivative of folic acid in which the pteridine ring is fully reduced; it is the parent compound of a variety of coenzymes that serve as carriers of one-carbon groups in metabolic reactions.


A ring assembly that consists of  fisetinidol attached to a (+)-catechin unit resulting in a bond between C-4 of the pyran ring and C-8 of the benzopyran ring. It is isolated from Acacia mearnsii.


corynoline

A benzophenanthridine alkaloid that is chelidonine substituted by a methyl group at position 13. Isolated from the aerial parts of Corydalis incisa, it acts as an acetylcholinesterase inhibitor and also exhibits antineoplastic and hepatoprotective activity.


Any member of the class of coumarins that contains a 7-amino-2H-chromen-2-one skeleton.


norcoclaurine

A benzylisoquinoline alkaloid based on a  benzyltetrahydroisoquinoline skeleton.


dithiolopyrrole

A heterobicyclic compound that is any dithiole ortho-fused with a pyrrole ring.


benzofurochromene

An organic heteropolycyclic compound whose skeleton consists of a chromene ring fused onto a 1-benzofuran ring, together with their substituted derivatives.


anthrapyrazole

Any organic heterotetracyclic compound consisting of a pyrazole ring ortho-fused to an anthracene.


heteropolycyclic compound

A polycyclic compound in which at least one of the rings contains at least one non-carbon atom.


methylindole

Any member of the class of indoles carrying one or more methyl substituents.


A  neolignan isolated from the stems of Sinocalamus affinis.


name: 1H-indazole-3-carboxylic acid 4-(1,3-dioxo-2-isoindolyl)butyl ester


methyladenine

Any member of the class of 6-aminopurines that is adenine bearing a single methyl substituent.


xanthene dye

A dye derived by condensation of phthalic anhydride with resorcinol (and derivatives) or m-aminophenol (and derivatives).


purines

A class of imidazopyrimidines that consists of purine and its substituted derivatives.


(R)-dyphylline

The (R)-enantiomer of dyphylline.


PHTHALIMIDE

A  dicarboximide that is 2,3-dihydro-1H-isoindole substituted by oxo groups at positions 1 and 3.


ambiguine I

An ambiguine that consists of a 5,5,7,10,10-pentamethyl-4,5,5a,6a,6b,7,8,9,9a,10-decahydro-10dH-6-oxa-4-azacyclopropa[6,7]cyclohepta[1,2,3,4-mno]aceanthrylen-10d-ol skeleton with an ethenyl substituent at position 7 and an isocyano group at position 6b (the 5aS,6aR,6bR,7R,9aR,10dR stereoisomer). An antimicrobial agent isolated from the cyanobacterium strain Fischerella.


oxindoles

Any member of the class of indolones whose structure is based on an oxindole (2-indolone) skeleton.


20-hydroxy steroid

Any hydroxy steroid that in which the steroid skeleton contains a hydroxy substituent at position 20.