A beta-alanine derivative obtained by formal condensation of the carboxy group of (10-methyl-9,10-dihydroacridin-9-yl)carboxylic acid with the amino group of beta-alanine.


Dibenzothiophene substituted at positions 1 and 2 by hydroxy groups.


clopenthixol

A thioxanthene derivative having a chloro substituent at the 2-position and an alkylidene group at the 10-position with undefined double bond stereochemistry.


tubastatin A

A pyridoindole that is 1,2,3,4-tetrahydro-5H-pyrido[4,3-b]indole which is substituted on the tetrahydropyridine nitrogen by a methyl group and on the indole nitrogen by a p-[N-(hydroxy)aminocarbonyl]benzyl group. It is a histone deacetylase 6 (HDAC6) inhibitor that is selective against all the other isozymes (1000-fold) except HDAC8 (57-fold).


A member of the class of dibenzoazepines that is the amide formed from formal condensation of the carboxy group of 2,2-dimethyl-3-oxo-3-[(2,2,3,3,3-pentafluoropropyl)amino]propanoic acid with the amino group of (7S)-7-amino-5,7-dihydrodibenzo[b,d]azepin-6-one.


A fluoroindole that is 1H-indole in which the hydrogens at positions 3 and 6 are replaced by 1-[2-(2,2-dioxo-5,6-dihydro-4H-2lambda(6)-[1,2,5]thiadiazolo[4,3,2-ij]quinolin-1(2H)-yl)ethyl]-1,2,3,6-tetrahydropyridin-4-yl and fluoro groups, respectively. It is an inhibitor of the 5-hydroxytryptamine transporter (Ki = 2.3 nM) and an antagonist of 5-hydroxytryptamine(2A) receptor (Ki = 0.81 nM).


PHELLIGRIDIN G

An organic heterotricyclic compound isolated from the fruiting bodies of the fungus Phellinus igniarius.


alangimarckine

A member of the class of beta-carbolines that is tubulosan bearing methoxy groups at positions 10 and 11 as well as a hydroxy group at position 9.


strigolactone

A family of sesquiterpene lactones with a common structure consisting of two lactone moieties (one a butenolide, the other a tricyclic gamma-lactone) connected by an enol-ether bridge. Originally used to describe phytohormones with diverse signaling activities, biosynthesised from carotenoids, the term also includes synthetic analogues.


A member of the class of dibenzofurans that is dibenzo[b,d]furan substituted by a hydroxy group at position 3 and chloro groups at positions 2, 4, 7, 8 and 9 respectively.


14-deacetyl astellolide A

Major species at pH 7.3.


An organic heterotricyclic compound that is N,1,4,4-tetramethyl-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide substituted by a [2-methyl-4-(4-methylpiperazin-1-yl)phenyl]nitrilo group at position 8.


(+)-angenomalin

A furanocoumarin that is 8,9-dihydro-2H-furo[2,3-h][1]benzopyran-2-one carrying a prop-1-en-2-yl substituent at position 8.


BATZELLADINE A

A carboxylic ester obtained by the formal condensation of (2aS,3S,4R,7R,8aS)-4-methyl-7-nonyl-2,2a,3,4,6,7,8,8a-octahydro-1H-5,6,8b-triazaacenaphthylene-3-carboxylic acid with the hydroxy group of 4-carbamimidamidobutyl (3R)-3-(9-hydroxynonyl)-1-imino-1,2,3,5,6,7-hexahydropyrrolo[1,2-c]pyrimidine-4-carboxylate. Isolated from a bright red Caribbean sponge, Batzella, it has potential anti-HIV activity.


propiomazine

A member of the class of  phenothiazines that is 10H-phenothiazine substituted by a 2-(dimethylamino)propyl group at nitrogen atom and a propanoyl group at position 2.


fumisoquin A

A pyridoisoquinoline that is (11aR)-1,3,4,6,11,11a-hexahydro-2H-pyrido[1,2-b]isoquinoline substituted by hydoxy groups at positions 1S,7,8 and 11R, by an amino group at position 3S and an oxo group at position 4. It is produced by a biosynthetic gene cluster called fsq in the human pathogen Aspergillus fumigatus.


lactucopicrin 15-oxalate

A sesquiterpene lactone obtained by formal condensation of one of the carboxy groups of oxalic acid with the 15-hydroxy group of lactucopicrin. Found in chicory.


A organic heterotricyclic compound that is 5-methyl-3-(morpholin-4-ylmethyl)-2,3-dihydro[1,4]oxazino[2,3,4-hi]indole substituted at position 6 by a 1-naphthylcarbonyl group.


fumisoquin B

A pyridoisoquinoline that is (11aR)-1,3,4,6,11,11a-hexahydro-2H-pyrido[1,2-b]isoquinoline substituted by hydoxy groups at positions 1S,7 and 11R, by an amino group at position 3S, oxo group at position 4 and a sulfooxy group at position 8. It is produced by a biosynthetic gene cluster called fsq in the human pathogen Aspergillus fumigatus.


callophycoic acid A

A dibenzooxepine diterpenoid that is hexahydrodibenzo[b,e]oxepine with an isolated double bond between positions 6a and 7 and is substituted by a bromo, a carboxy, a 3E-4,8-dimethylnona-3,7-dien-1-yl and a methyl group  at positions 9, 2, 10 and 10 respectively (the 9S,10S,10aR stereoisomer). It is isolated from the Fijian red alga Callophycus serratus and exhibits antibacterial, antimalarial and anticancer activities.


CANDIDUSIN C

A member of the class of dibenzofurans that is dibenzo[b,d]furan substituted by methoxy groups at positions 6 and 9, hydroxy groups at positions 2 and 3 and a 4-methoxyphenyl group at position 7. It has been isolated from Aspergillus taichungensis.


name: L-cysteinyl sulfurated eukaryotic molybdenum cofactor(2-)

description: MoCo in eukaryotic sulfite oxidase.


(R)-tianeptine

The R-enantiomer of tianeptine.


zaluzanin D

A sesquiterpene lactone that is decahydroazuleno[4,5-b]furan-2(3H)-one substituted by methylidene groups at positions 3, 6 and 9 and an acetlyoxy group at position 8. Isolated from Zaluzania triloba and Laurus nobilis, it exhibits trypanocidal activity.


FONSECINONE A

A dimeric naphthopyran with formula C32H26O10, originally isolated from Aspergillus niger.


imidazobenzodiazepine

Any organic heterotricyclic compound that is any benzodiazepine which is ortho-fused with a imidazole.


rifaximin

A semisynthetic member of the class of rifamycins and non-systemic gastrointestinal site-specific broad spectrum antibiotic. Used in the treatment of traveller's diarrhoea, hepatic encephalopathy and irritable bowel syndrome.


urolithin A 8-O-glucuronide

A member of the class of benzochromenones that is urolithin A in which the phenolic hydrogen at position 8 has been replaced by a beta-D-glucuronosyl group.


promazine

A phenothiazine deriative in which the phenothiazine tricycle has a 3-(dimethylaminopropyl) group at the N-10 position.


ARTOCHAMIN C

An extended flavonoid that is 4H,8H-pyrano[2,3-f]chromen-4-one substituted by a 3,4-dihydroxyphenyl group at position 2, hydroxy group at position 5 and geminal methyl groups at position 8. It is isolated from the roots of Artocarpus chama and exhibits cytotoxicity against a panel of human tumour cell lines like breast adenocarcinoma, ovarian carcinoma, ileocecal carcinoma and melanoma.


colforsin daropate

A carboxylic ester resuting from the formal condensation of the carboxy group of N,N-dimethyl-beta-alanine with the 6-hydroxy group of forskolin. It is an adenylate cyclase activator.


CHAETOVIRIDIN E

An  azaphilone that is 6H-furo[2,3-h]isochromene-6,8(6aH)-dione substituted by a chloro group at position 5, a methyl group at position 6a, a 2-methylbut-2-enoyl group at position 9 and a 3-methylpent-1-en-1-yl group at position 3. It has been isolated from Chaetomium globosum.


(13R)-manoyl oxide

A tricyclic labdane diterpenoid that is an intermediate in the biosynthesis of forskolin by Coleus forskohlii.


ANNOMONTINE

An alkaloid that is beta-carboline substituted at position C-1 by a 2-aminopyrimidin-4-yl moiety. An antiparasitic agent found in Annona montana and Annona foteida.


CTBT

An organic heterotricyclic compound that is tetrazolo[5,1-c][1,2,4]benzotriazine substituted at position 7 by a chloro group. An antifungal and chemosensitising agent that induces oxidative stress in yeast and filamentous fungi and enhances the cytotoxic activity of 5-fluorocytosine and azole antimycotics.


jacozine

A pyrrolizine alkaloid that is seneciphylline in which the exocyclic double bond has been converted to the corresponding epoxide.


PYRROLOQUINOLINE QUINONE

A pyrroloquinoline having oxo groups at the 4- and 5-positions and carboxy groups at the 2-, 7- and 9-positions.


tetraneurin E

A sesquiterpene lactone that is a (3aS,9bS)-3-methylidenedecahydroazuleno[4,5-b]furan-2(3H)-one heterotricyclic ring system with a hydroxymethyl, hydroxy, acetate, and methyl group substituents at positions 6, 6a, 9, and 9a respectively.


THIOXANTHENE

A thioxanthene that consists of a xanthene skeleton in which the oxygen atom is replaced by a sulfur atom.


OCHROCARPIN C

A furanocoumarin that is 2H-furo[2,3-h]chromen-2-one substituted by a hydroxy group at position 5, 2-hydroxypropan-2-yl group at position 8, a 2-methylpropanoyl group at position 6 and a phenyl group at position 4. Isolated from the bark of Ochrocarpos punctatus, it exhibits cytotoxicity against the A2780 ovarian cancer cell line.


LUMICHROME

A compound showing blue fluorescence, formed by a photolysis of riboflavin in acid or neutral solution.


A member of the class of cyclobutadipyrimidines that is 1,4a,4b,8,8a,8b-hexahydrocyclobuta[1,2-d:4,3-d']dipyrimidine-2,7-dione carrying two additional amino substituents at positions 4 and 5.


santonin

A  santonin that is 3a,5,5a,9b-tetrahydronaphtho[1,2-b]furan-2,8(3H,4H)-dione substituted by methyl groups at positions 3, 5a and 9.


A dibenzodioxonine isolated from the culture broth of Penicillium asperosporum that acts as an acyl-CoA:cholesterol acyltransferase inhibitor. It is one of the 8 possible diastereomers of AS-186c. However the exact stereochemistry of the compound is unknown.


methoxsalen

A member of the class of psoralens that is 7H-furo[3,2-g]chromen-7-one in which the 9 position is substituted by a methoxy group. It is a constituent of the fruits of Ammi majus. Like other psoralens, trioxsalen causes photosensitization of the skin. It is administered topically or orally in conjunction with UV-A for phototherapy treatment of vitiligo and severe psoriasis.


copanlisib

An imidazoquinazoline that is 2,3-dihydroimidazo[1,2-c]quinazoline substituted by (2-aminopyrimidine-5-carbonyl)amino, methoxy, and 3-(morpholin-4-yl)propoxy groups at positions 5, 7 and 8, respectively. It is a intravenous pan-class I PI3K inhibitor used for the treatment of relapsed follicular lymphoma in patients who have received at least 2 prior systemic therapies.


psoralens

A furanocoumarin with a 7H-furo[3,2-g]chromen-7-one skeleton and its substituted derivatives thereof.


pentalenolactone

A sesquiterpene lactone that is isolated from several Streptomyces species and exhibits antibiotic activity.


A member of the class of  dibenzofurans that is  dibenzo[b,d]furan substituted by a chloro group at position 7 and a hydroxy group at position 2.


pentalenolactone F

A tetracyclic sesquiterpene lactone obtained by formal epoxidation of the 4-methylene group of pentalenolactone E.


prenyl-FMN

A flavin mononucleotide resulting from the formal dehydrogenation of prenyl-FMNH2. It is an essential cofactor for the decarboxylase enzymes UbiD (Fdc1).


palmariol B

A benzochromenone that is 6H-benzo[c]chromen-6-one which is substituted by a methyl group at position 1, chloro group at position 2, hydroxy groups at positions positions 3 and 7, and by a methoxy group at position 9.


spectinomycin

A pyranobenzodioxin and antibiotic that is active against gram-negative bacteria and used (as its dihydrochloride pentahydrate) to treat gonorrhea. It is produced by the bacterium Streptomyces spectabilis.


PRENYLCANDIDUSIN B

A member of the class of  dibenzofurans that is 1,4,7,8-tetramethoxydibenzo[b,d]furan substituted by a 4-hydroxy-3-(3-methylbut-2-en-1-yl)phenyl substituent at position 3. It has been isolated from Aspergillus taichungensis.


OCHROCARPIN D

A furanocoumarin that is 2H-furo[2,3-h]chromen-2-one substituted by a hydroxy group at position 5, 2-methoxypropan-2-yl group at position 8, a 2-methylbutanoyl group at position 6 and a phenyl group at position 4. Isolated from the bark of Ochrocarpos punctatus, it exhibits cytotoxicity against the A2780 ovarian cancer cell line.


PHANTOMOLIN

A  germacranolide isolated from Elephantopus mollis and has been shown to exhibit antineoplastic activity.


AJUGACILIATIN H

A diterpene lactone isolated from the whole plants of  Ajuga ciliata.


alosetron

A pyrido[4,3-b]indole compound having a 5-methyl-1H-imidazol-4-ylmethyl group at the 2-position.


periciazine

A member of the class of  phenothiazines that is 10H-phenothiazine substituted by a 3-(4-hydroxypiperidin-1-yl)propyl group at the nitrogen atom and a carbonitrile group at position 2. Periciazine is a first generation antipsychotic.


OCHROCARPIN A

A furanocoumarin that is 2H-furo[2,3-h]chromen-2-one substituted by a hydroxy group at position 5, 2-hydroxypropan-2-yl group at position 8, a 2-methylbutanoyl group at position 6 and a phenyl group at position 4. Isolated from the bark of Ochrocarpos punctatus, it exhibits cytotoxicity against the A2780 ovarian cancer cell line.


caseamemebrol A

A diterpenoid of the clerodane group isolated from the leaves and twigs of Casearia membranacea. It exhibits significant cytotoxicity against human prostrate (PC-3) cancer cells.


mauveine A

An organic cation consisting of 7-(4-methylanilino)phenazine carrying additional methyl, amino and phenyl substituents at positions 2, 3 and 5 respectively. One of four components of mauvaine, a syntheteic violet-coloured dye.


FUKANEFUROMARIN A

A furanocoumarin that is 2,3-dihydrofuro[3,2-c]coumarin substituted by a hydroxy group at position 7, methyl groups at positions 2 and 3 (relatively cis configuration) and a 4,8-dimethyl-4(E),7-nonadien-6-onyl moiety at position 2. Isolated from the roots of Ferula fukanensis, it inhibits production of nitric oxide (NO).


tetrahydropentoxyline

A member of the class of beta-carbolines that is 2,3,4,9-tetrahydro-1H-beta-carboline in which a hydrogen at positions 1 and 3 have been replaced by a (5S)-D-arabinityl and carboxy groups, respectively. It is a metabolite found in human urine.


CANDIDUSIN A

A member of the class of dibenzofurans that is dibenzo[b,d]furan substituted by methoxy groups at positions 6 and 9, hydroxy groups at positions 2 and 3 and a phenolic group at position 7. It has been isolated from Aspergillus taichungensis.


CASEARGREWIIN B

A diterpenoid of the clerodane group isolated from the bark of Casearia grewiifolia and has been shown to exhibit antimalarial and antimycobacterial activity.


cytochalasin B

An organic heterotricyclic compound, that is a mycotoxin which is cell permeable an an inhibitor of cytoplasmic division by blocking the formation of contractile microfilaments.


(E)-tomaymycin

The (E)-isomer of tomaymycin.


mianserin

A dibenzoazepine (specifically 1,2,3,4,10,14b-hexahydrodibenzo[c,f]pyrazino[1,2-a]azepine) methyl-substituted on N-2. Closely related to (and now mostly superseded by) the tetracyclic antidepressant mirtazapinean, it is an atypical antidepressant used in the treatment of depression throughout Europe and elsewhere.


furanocoumarin

Any furochromene that consists of a furan ring fused with a coumarin. The fusion may occur in different ways in give several isomers.


FUKANEFUROMARIN D

A furanocoumarin that is 2,3-dihydrofuro[3,2-c]coumarin substituted by a hydroxy group at position 7, methyl groups at positions 2 and 3 (relatively trans configuration) and a 4,8-dimethyl-4(Z),7-nonadien-6-onyl moiety at position 2. Isolated from the roots of Ferula fukanensis, it inhibits production of nitric oxide (NO).


aurasperone C

A dimeric naphtho-gamma-pyrone with formula C31H28O12, originally isolated from Aspergillus niger


columbianetin acetate

An acetate ester obtained by formal acetylation of the tertiary hydroxy group of 2-[(8S)-2-oxo-8,9-dihydro-2H-furo[2,3-h][1]benzopyran-8-yl]propan-2-ol.


O-(ADP-D-ribosyl) derivative of rifampicin; major species at pH 7.3.


An imidazobenzodiazepine that is midazolam which is substituted by a hydroxy group at position 4. It is the minor hydroxylated metabolite of the anesthetic, midazolam.


A member of the class of benzocycloheptapyridines that is 5H-benzo[4,5]cyclohepta[1,2-b]pyridin-5-one substituted by 1-methyl-1H-pyrazol-4-yl and [{[(2R)-1,4-dioxan-2-yl]methyl}(methyl)sulfamoyl]amino groups at positions 3 and 7, respectively. It is a novel ATP-competitive multi-targeted inhibitor of activated c-Met (IC50 = 2.5 nM).


dithiadene

An organic heterotricyclic compound that is 4,9-dihydrothieno[2,3-c][2]benzothiepine substituted by a 3-(dimethylamino)propylidene group at position 4.


MOLLICELLIN H

A member of the class of  depsidones that is 11H-dibenzo[b,e][1,4]dioxepine substituted by hydroxy groups at position 3 and 7, methyl group at positions 1 and 9, a prenyl group at position 8, an oxo group at position 11 and a formyl group at position 4. Isolated from  Chaetomium brasiliense it exhibits cytotoxic activity.


homofenazine

A phenothiazine derivative having a trifluoromethyl subsitituent at the 2-position and a 3-[4-(2-hydroxyethyl)diazepin-1-yl]propyl group at the N-10 position.


flavagline

Any organic heterotricyclic compound characterized by a cyclopenta[b]benzofuran skeleton or its structurally related groups. The members of this class are considered characteristic secondary metabolites of the genus Aglaia.


senecivernine N-oxide

A pyrrolizine alkaloid that is produced by a hybrid species of Jacobaea.


A (3E)-3-{[(4-methyl-5-oxo-2,5-dihydrofuran-2-yl)oxy]methylidene}-3,3a,4,8b-tetrahydro-2H-indeno[1,2-b]furan-2-one that has (3E,3aR,8bS) configuration in the indenofuranone moiety and R at the chiral centre in the furanone ring.


Eunicea sesquiterpenoid 2

A eudesmane sesquiterpenoid in which the eudesmane skeleton is substituted with an alpha-hydroxy group at C-1 (eudesmane numbering) and a methylidene group at C-4, and includes a lactone ring formed between C-12 and a beta-hydroxy group at C-6. It is isolated from Eunicea sp. and exhibits significant inhibitory effect upon the growth of the malarial parasite Plasmodium falciparum


fonsecinone C

A dimeric naphthopyran with formula C32H28O11, originally isolated from Aspergillus niger.


alprazolam

A member of the class of triazolobenzodiazepines that is 4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine carrying methyl, phenyl and chloro substituents at positions 1, 6 and 8 respectively. Alprazolam is only found in individuals that have taken this drug.


DEHYDROCOSTUSLACTONE

An organic heterotricyclic compound and guaianolide sesquiterpene lactone that is acrylic acid which is substituted at position 2 by a 4-hydroxy-3,8-bis(methylene)decahydoazulen-5-yl group and in which the hydroxy group and the carboxy group have undergone formal condensation to afford the corresponding gamma-lactone.


cabotegravir

A monocarboxylic acid amide obtained by formal condensation of the carboxy group of (3S,11aR)-6-hydroxy-3-methyl-5,7-dioxo-2,3,5,7,11,11a-hexahydro[1,3]oxazolo[3,2-a]pyrido[1,2-d]pyrazine-8-carboxylic acid with the amino group of 2,4-difluorobenzylamine. Used (as its sodium salt) for treatment of HIV-1.


A dibenzodioxonine isolated from the culture broth of Penicillium asperosporum that acts as an acyl-CoA:cholesterol acyltransferase inhibitor.


A member of the class of phenazines that is 1,4,10,10a-tetrahydrophenazine substituted at positions 1 and 6 by carboxy groups (the 1R,10aS-diastereomer).


(R)-flumequine

A 9-fluoro-5-methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid that is the (R)-enantiomer of flumequine.


splitomicin

A benzochromenone that is 2,3-dihydro-1H-benzo[f]chromene substituted by an oxo group at position 3. It has been found to exhibit potential inhibitory activity against Sir2 proteins.


leucosesterlactone

A natural product found in Leucosceptrum canum.


A pseudoguaianolide with anti-inflammatory activity isolated from the aerial parts of Inula hupehensis.


PYOCYANIN

An iminium betaine that is 5-methylphenazin-5-ium which is substituted at position 1 by an oxidanidyl group. An antibiotic pigment produced by Pseudomonas aeruginosa.


A benzocycloheptapyridine that is benzo[5,6]cyclohepta[1,2-b]pyridine which is substituted at positions 3 and 10 by bromines, at position 8 by chlorine, and at position 11 by an N-acetylpiperidin-4-yl group in which one of the hydrogens of the acetyl moiety has been replaced by a 1-carbamoylpiperidin-4-yl group.


This is compound 4 in pmid:31045362


INUVISCOLIDE

A sesquiterpene lactone that is decahydroazuleno[6,5-b]furan-2(3H)-one substituted by a hydroxy group at position 5, a methyl group at position 5 and methylidene groups at positions 3 and 8 (the 3aR,4aR,5R,7aS,9aS stereoisomer). Isolated from the aerial parts of Inula hupehensis, it exhibits anti-inflammatory activity.


cleistanthin B

A member of the class of cleistanthins that is cleistanthin A in which the 3,4-di-O-methyl-D-xylopyranosyl group is replaced by a beta-D-glucopyranosyl group.


gamma-hydroxyorcein

A member of the class of phenoxazines that is 1,9-dimethyl-3H-phenoxazin-3-one carrying an additional hydroxy substituent at position 7 as well as two 2,4-dihydroxy-6-methylphenyl substituents at positions 2 and 8. The isomer in which the hydroxy groups at positions 2' and 2'' on the phenyl rings are situated on opposite sides of the plane of the phenoxazine ring system. A component of orcein, a mixture of dyes isolated from lichens.


2'-deoxycytidine 5'-monophosphate dimer

A cyclobutadipyrimidine bis(deoxyribonucleotide) obtained by formal cyclodimerisation of 2'-deoxycytidine 5'-monophosphate.


jaconine N-oxide

A pyrrolizine alkaloid that is jaconine in which the tertiary amino function has been oxidised to the corresponding N-oxide.


noscapine

A benzylisoquinoline alkaloid that is 1,2,3,4-tetrahydroisoquinoline which is substituted by a 4,5-dimethoxy-3-oxo-1,3-dihydro-2-benzofuran-1-yl group at position 1, a methylenedioxy group at positions 6-7 and a methoxy group at position 8. Obtained from plants of the Papaveraceae family, it lacks significant painkilling properties and is primarily used for its antitussive (cough-suppressing) effects.


oxypeucedanin hydrate acetonide

A furanocoumarin that is 7H-furo[3,2-g]chromen-7-one substituted by a (2,2,5,5-tetramethyl-1,3-dioxolan-4-yl)methoxy moiety at position 4. Isolated from  Peucedanum turcomanicum and Angelica dahurica, it exhibits cytotoxic activity.


amoxapine

A dibenzooxazepine compound having a chloro substituent at the 2-position and a piperazin-1-yl group at the 11-position.


acridine orange cation

The monoprotonated form of 3,6-bis(dimethylamino)acridine.


CLEOMISCOSIN A

An organic heterotricyclic compound that is 2,3-dihydro-9H-[1,4]dioxino[2,3-h]chromen-9-one substituted by 4-hydroxy-3-methoxy phenyl group at position 3, a hydroxymethyl group at position 2 and a methoxy group at position 5 (the 2R,3R stereoisomer). It exhibits anti-inflammatory activity.


khellin

A furanochrome in which the basic tricyclic skeleton is substituted at positions 4 and 9 with methoxy groups and at position 7 with a methyl group. A major constituent of the plant Ammi visnaga it is a herbal folk medicine used for various illnesses, its main effect being as a vasodilator.


perphenazine

A phenothiazine derivative in which the phenothiazine tricycle carries a chloro substituent at the 2-position and a 3-[4-(2-hydroxyethyl)piperazin-1-yl]propyl group at N-10.


CASEARGREWIIN C

A diterpenoid of the clerodane group isolated from the bark of Casearia grewiifolia and has been shown to exhibit antimalarial and antimycobacterial activity.


An indenofuran that is (3E)-3,3a,4,8b-tetrahydro-2H-indeno[1,2-b]furan-2-one which is substituted at position 3 by a ({[(4-methyl-5-oxo-2,5-dihydrofuran-2-yl]oxy}methylidene) group.


amaralin

An  azulenofuran that is decahydrooxireno[1,2]azuleno[6,5-b]furan-5(1aH)-one substituted by a hydroxy group at position 8, methyl groups at positions 2 and 7a and a methylidene group at position 6.


thienotriazolodiazepine

Any organic heterotricyclic compound constructed from fused thiophene, triazole and diazepeine rings.


HELENINE

A sesquiterpene lactone that is 3a,5,6,7,8,8a,9,9a-octahydronaphtho[2,3-b]furan-2-one bearing two methyl substituents at positions 5 and 8a as well as a methylidene substituent at position 3.


selisistat

A member of the class of carbazoles that is 2,3,4,9-tetrahydro-1H-carbazole  which is substituted at position 1 by an aminocarbohyl group and at position 6 by a chlorine.


name: 4-(9H-beta-carbolin-1-yl)-4-oxobut-2-enoic acid methyl ester


loline

A loline alkaloid with formula C8H14N2O.


A flavin mononucleotide that is FMN in which the 8-methyl group has been oxidised to the corresponding aldehyde.


name: 1,2,3,4-tetrahydroacridine-9-carboxylic acid (2-oxo-2-thiophen-2-ylethyl) ester


moracizine

A phenothiazine substituted on the nitrogen by a 3-(morpholin-4-yl)propanoyl group, and at position 2 by an (ethoxycarbonyl)amino group.


usaramine N-oxide

A pyrrolizine alkaloid that is senecionane bearing two additional hydroxy substituents at positions 12 and 18, two additional oxo groups at positions 11 and 16 and an N-oxido substituent.


1,6-dimethoxyphenazine N(5)-oxide

An N-oxide that is 1,6-dimethoxyphenazine carrying an oxido group at positions 5; Major microspecies at pH 7.3.


27-O-demethylrifamycin SV

A member of the class of rifamycins that is rifamycin SV lacking the O-methyl group at position 27.


BODIPY dye

A dye molecule that contains a 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene skeleton.


An azatricycloalkane that is tricyclo[6.2.1.1(3,6)]dodecane in which the four bridgehead CH groups are replaced by nitrogen atoms. It is a small-molecule BAX agonist.


huperzine A

A sesquiterpene alkaloid isolated from a club moss Huperzia serrata that has been shown to exhibit neuroprotective activity. It is also an effective inhibitor of acetylcholinesterase and has attracted interest as a therapeutic candidate for Alzheimer's disease.


viguilenin

An organic heterocricyclic compound and germacranolide with formula C20H30O7 isolated from Viguiera linearis.


tetrabenazine

A benzoquinolizine that is 1,2,3,4,4a,9,10,10a-octahydrophenanthrene in which the carbon at position 10a is replaced by a nitrogen and which is substituted by an isobutyl group at position 2, an oxo group at position 3, and methoxy groups at positions 6 and 7.


A triazaacenaphthylene that is 2,2a,3,4,5,5a,6,7-octahydro-1H-1,8,8b-triazaacenaphthylene which is substituted at positions 3, 4, and 7 by methyl, sulfooxy, and (2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)(hydroxy)methyl groups, respectively (the 2aS,3R,4S,5aS,7R stereoisomer in which the carbon bearing the hydroxy group has S configuration). It is a cyanotoxin produced by several species of freshwater cyanobacteria, such as Aphanizomenon ovalisporum.


oxolinic acid

A quinolinemonocarboxylic acid having the carboxy group at position 7 as well as oxo and ethyl groups at positions 4 and 1 respectively and a dioxolo ring fused at the 5- and 6-positions. A synthetic antibiotic, it is used in veterinary medicine for the treatment of bacterial infections in cattle, pigs and poultry.


clofazimine

3-Isopropylimino-3,5-dihydro-phenazine in which the hydrogen at position 5 is substituted substituted by a 4-chlorophenyl group, and that at position 2 is substituted by a (4-chlorophenyl)amino group. A dark red crystalline solid, clofazimine is an antimycobacterial and is one of the main drugs used for the treatment of  multi-bacillary leprosy. However, it can cause red/brown discolouration of the skin, so other treatments are often preferred in light-skinned patients.


(S)-etodolac

The S-enantiomer of etodolac. It is a preferential inhibitor of cyclo-oxygenase 2 and a non-steroidal anti-inflammatory, whereas the enantiomer, (R)-etodolac, is inactive. The racemate is commonly used for the treatment of rheumatoid arthritis and osteoarthritis, and for the alleviation of postoperative pain.


(Z)-desmethyldoxepin

The (Z)-isomer of desmethyldoxepin.


nocamycin E

An organic heterotricyclic compound and tetramic acid derivative isolated from a mutant strain of Saccharothrix syringae. Nocamycin E exhibits considerably lower antibacterial activity than the corresponding methyl ester, nocamycin I.


4'-epichaetoviridin A

An azaphilone that is the 4'-epimer of chaetoviridin A. It has been isolated from Chaetomium globosum.


CHUANGXINMYCIN

A thiinoindole that is 3,5-dihydro-2H-thiino[4,3,2-cd]indole which is substituted at positions 2 and 3 by carboxy and methyl groups, respectively (the 2R,3S diastereoisomer).


(R)-carprofen

The (R)-(-)-enantiomer of carprofen.


PHENOSAFRANINE

An organic cation that is 5-phenylphenazin-5-ium substituted by amino groups at positions 3 and 7. The chloride salt is the histological dye 'phenosafranine'.


pyranopterin

An organic heterotricyclic compound that consists of a pterin ring system having a pyran ring ortho-fused at any position.


Major microspecies at pH 7.3.


An organobromine compound that is dibenzodioxine carrying four bromo substituents at positions 2, 3, 7 and 8.


beta-carboline

The parent compound of the beta-carbolines, a tricyclic structure comprising an indole ring system ortho- fused to C-3 and C-4 of a pyridine ring.


(S)-carprofen

The (S)-(+)-enantiomer of carprofen.


pyranobenzodioxin

Any organic heterotricyclic compound whose core skeleton consists of a benzodioxin ring that is ortho-fused to a pyran ring.


cuevaene A

A monocarboxylic acid that is (2E,4Z,6E)-4-methoxy-6-methylhepta-2,4,6-trienoic acid substituted at position 7 by an 8-hydroxy-1,2,3,4-tetrahydrodibenzofuran-1-yl group.


ASPERPYRONE C

A dimeric naphthopyran with formula C32H26O10, originally isolated from Aspergillus niger.


chaetocyclinone A

An organic heterotricyclic compound that is 1H,10H-pyrano[4,3-b]chromene substituted by methoxy, methyl, hydroxy, methoxy, methoxycarbonyl, and oxo groups at positions 1, 3, 6, 7, 9 and 10, respectively. It is produced by cultures of Chaetomium sp. Goe 100/2, which was isolated from marine algae.


(E)-desmethyldoxepin

The (E)-isomer of desmethyldoxepin.


AROMATICIN

A sesquiterpene lactone that is 3,3a,4,4a,7a,8,9,9a-octahydroazuleno[6,5-b]furan-2,5-dione substituted by methyl groups at positions 4a and 8 and a methylidene group at position 3. Isolated from the aerial parts of Inula hupehensis, it exhibits anti-inflammatory activity.


CASSIARIN A

An isoquinoline alkaloid that is pyrano[2,3,4-ij]isoquinoline substituted by a hydroxy group at position 8 and methyl groups at positions 2 and 5. It is isolated from the leaves of Cassia siamea and exhibits antiplasmodial activity against Plasmodium falciparum.


name: 4-(thiophen-2-ylmethylidene)-2,3-dihydro-1H-acridine-9-carboxylic acid (2-anilino-2-oxoethyl) ester


phomacin B

A cytochalasin isolated from a fungus Phoma sp. that has been shown to possess potent inhibitory activity against HT-29 colonic adenocarcinoma cells.


CONFERTIN

A pseudoguaianolide that is decahydroazuleno[6,5-b]furan-2(3H)-one substituted by an oxo group at position 5, methyl groups at positions 4a and 8 and a methylidene group at position 3. It has been isolated from the aerial parts of Inula hupehensis.


pyrroloquinoxaline

Any organic heterotricyclic compound with a skeleton consisting of a pyrrole ring fused to a quinoxaline ring system.


Mo-molybdopterin cofactor

A molybdopterin cofactor in which the coordinated metal is a mononuclear molybdenum or molybdate species.


inuchinenolide C

A sesquiterpene lactone that is decahydroazuleno[6,5-b]furan-2(3H)-one substituted by acetyloxy groups at positions 5 and 7, a hydroxy group at position 4, methyl groups at positions 4a and 8 and a methylidene group at position 3. It has been isolated from the aerial parts of Inula hupehensis.


emetine

A pyridoisoquinoline comprising emetam having methoxy substituents at the 6'-, 7'-, 10- and 11-positions. It is an antiprotozoal agent and emetic. It inhibits SARS-CoV2, Zika and Ebola virus replication and displays antimalarial, antineoplastic and antiamoebic properties.


nostocarboline

A member of the class of beta-carbolines that is 9H-beta-carbolin-2-ium substituted by a chloro group at position 6 and a methyl group at position 2. It is isolated from a fresh water cyanobacterium Nostoc 78-12A and acts as an inhibitor of butyrylcholinesterase.


A heptaketide that is 2,3-dihydro-4H-benzo[g]chromen-4-one bearing a methyl substituent at position 2 and four hydroxy substituents at positions 2, 5, 6 and 8.


CYATHUSAL B

An organic heterotricyclic compound that is 1H,6H-pyrano[4,3-c]isochromene-7-carbaldehyde substituted by hydroxy groups at positions 6, 9 and 10, methoxy group at position 8, oxo group at position 1 and a propenyl group at position 3. It is isolated from the fermented mushroom Cyathus stercoreus and exhibits radical scavenging activities.


palonosetron

An organic heterotricyclic compound that is an antiemetic used (as its hydrochloride salt) in combination with netupitant (under the trade name Akynzeo) to treat nausea and vomiting in patients undergoing cancer chemotherapy.


EDTA methidiumpropylamide

A combined intercalating and chelating reagent. The iron chelate, prepared by adding Fe(NH4)2(SO4)2, effects random oxidative cleavage of DNA in the presence of O2 and a reducing agent. This activity is useful as a footprinting probe.


beta-hydroxyorcein

A member of the class of phenoxazines that is 1,9-dimethyl-3H-phenoxazin-3-one carrying an additional hydroxy substituent at position 7 as well as two 2,4-dihydroxy-6-methylphenyl substituents at positions 2 and 8. The isomer in which the hydroxy groups at positions 2' and 2'' on the phenyl rings are both on the same side of the plane of the phenoxazine ring system. A component of orcein, a mixture of dyes isolated from lichens.


A diterpenoid that is 6a,7,8,10a-tetrahydro-6H-benzo[c]chromene substituted at position 1 by a hydroxy group, positions 6, 6 and 9 by methyl groups and at position 3 by a pentyl group. The principal psychoactive constituent of the cannabis plant, it is used for treatment of anorexia associated with AIDS as well as nausea and vomiting associated with cancer chemotherapy.


Riboflavin in which the double bond between positions 4a and 5 has been reduced to a single bond.


A pseudoguaianolide with anti-inflammatory activity isolated from the aerial parts of Inula hupehensis.


An organic heterotricyclic compound that is 4,10-dihydro-1H,3H-pyrano[4,3-b]chromene substituted by hydroxy groups at positions 7 and 8, a methoxy group at position 1, a methyl group at position 3, an oxo group at position 10 and a carboxy group at position 9. Isolated from Chaetomium funicola it exhibits inhibitory activity against metallo-beta-lactamases.


ISOIMPERATORIN

A member of the class of psoralens that is psoralen substituted by a prenyloxy group at position 5. Isolated from Angelica dahurica and Angelica koreana, it acts as a acetylcholinesterase inhibitor.


A member of the class of  pyridobenzimidazoles that is pyrido[1,2-a]benzimidazole substituted by amino, cyano, 4-methylphenyl, and cyano groups at positions 1, 2, 3 and 4, respectively. It is a potent inhibitor of ferroptosis suppressor protein 1 (FSP1) with EC50 of 103 nM. It induces ferroptosis in GPX4 knockout cells that overexpress FSP1.


FUKANEFUROMARIN C

A furanocoumarin that is 2,3-dihydrofuro[3,2-c]coumarin substituted by a hydroxy group at position 7, methyl groups at positions 2 and 3 (relatively cis configuration) and a 4,8-dimethyl-4(Z),7-nonadien-6-onyl moiety at position 2. Isolated from the roots of Ferula fukanensis, it inhibits production of nitric oxide (NO).


ATTO 495-2(1+)

The cationic form of 10-(3-carboxypropyl)-3,6-bis(dimethylamino)acridine.


ketotifen

An organic heterotricyclic compound that is 4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one which is substituted at position 4 by a 1-methylpiperidin-4-ylidene group. A blocker of histamine H1 receptors with a stabilising action on mast cells, it is used (usually as its hydrogen fumarate salt) for the treatment of asthma, where it may take several weeks to exert its full effect.


nocamycin I

An organic heterotricyclic compound and tetramic acid derivative originally isolated from an unidentified oligosporic actinomycete strain (no. E864-861) and found to be active against both Gram-positive and Gram-negative anaerobic bacteria as well as some aerobic bacteria such as Streptococci. The methyl ester of nocamycin E.


N-ethylharmine

A member of the class of beta-carbolines that is 9H-beta-carboline substituted by a ethyl group at position 9, methoxy group at position 7 and a methyl group at position 1. It is semisynthetic derivative of harmine and has been shown to exhibit significant anti-HIV activity.


gamma-aminoorceimine

A member of the class of phenoxazines that is 3-imino-1,9-dimethyl-3H-phenoxazine carrying an additional amino substituent at position 7 as well as two 2,4-dihydroxy-6-methylphenyl substituents at positions 2 and 8. The isomer in which the hydroxy groups at positions 2' and 2'' on the phenyl rings are situated on opposite sides of the plane of the phenoxazine ring system. A component of orcein, a mixture of dyes isolated from lichens.


orbiculin D

A dihydroagarofuran sesquiterpenoid that consists of dihydro-beta-agarofuran substituted by acetoxy group at position 1 and furoyloxy groups at positions 6 and 9 (the 1beta,6alpha,9alpha stereoisomer). Isolated from Celastrus orbiculatus, it exhibits inhibition of both NF-kappaB activation and nitric oxide production.


protuboxepin B

An organic heterotricyclic compound that is 10,11-dihydro-6H-oxepino[2,3-d]pyrazino[1,2-a]pyrimidine-6,9(8H)-dione substituted by a benzyl group at position 8 and an isopropyl group at position 11. It has been isolated from Aspergillus species.


dCMP-dTMP

A cyclobutadipyrimidine bis(deoxyribonucleotide) obtained by formal cyclodimerisation of 2'-deoxycytidine 5'-monophosphate and thymidine 5'-monophosphate.


A dihydroagarofuran sesquiterpenoid that consists of dihydroagarofuran substituted by a acetyloxy group at position 2, benzyloxy groups at positions 6, 9 and 15 and a hydroxy group at position 1. It is isolated from the roots of Microtropis fokienensis and exhibits antitubercular activity


ancitabine

An organic heterotricyclic compound resulting from the formal condensation of the oxo group of cytidine to the 2' position with loss of water to give the corresponding cyclic ether. A prodrug, it is metabolised to the antineoplastic agent cytarabine, so is used to maintain a more constant antineoplastic action.


riddelliine N-oxide

A pyrrolizine alkaloid that is 13,19-didehydrosenecionane bearing two additional hydroxy substituents at positions 12 and 18, two additional oxo groups at positions 11 and 16 and an N-oxido substituent.


LONGIROSTRERONE C

An azaphilone that is 9,9a-dihydro-6H-furo[2,3-h]isochromene-6,8(6aH)-dione substituted by a 6-methyl-2-oxocyclohex-3-en-1-yl group at position 3, a methyl group at position 6a and a 4,6,8-trimethyldeca-2,4-dienoyl group at position 9. Isolated from Chaetomium longirostre, it exhibits cytotoxic and antimalarial activities.


name: 3-(octahydro-9-isopropyl-2H-benzo [h] chromen-4-yl)-2-methylpropyl benzoate


A terpene glycoside obtained by glycosylation of the 15-hydroxy group of 8-deoxylactucin. Found in chicory.


ACROPHYLLINE

A quinoline alkaloid that is furo[2,3-b]quinolin-4-one bearing additional 3,3-dimethylallyl and methoxy substituents at positions 9 and 7 respectively.


NEOSAXITOXIN

A pyrrolopurine that is saxitoxin carrying a hydroxy substituent on the nitrogen atom at position 5. It is a sodium channel blocker that is undergoing clinical trials as a prolonged-duration local anesthetic.


mauveine B2

An organic cation consisting of 7-(4-methylanilino)phenazine carrying additional methyl, amino and 4-methylphenyl substituents at positions 2, 3 and 5 respectively. One of four components of mauvaine, a syntheteic violet-coloured dye.


wybutosine 5'-monophosphate

A ribonucleotide that is the 5'-monophosphate derivative of wybutosine.


cytochalasin Z16

A cytochalasan alkaloid found in Aspergillus clavatus.


debromoaplysiatoxin

A member of the class of aplysiatoxins that has the structure of the parent aplysiatoxin, but is lacking the bromo substituent on the benzene ring at the position para to the phenolic hydroxy group. It is a cyanotoxin produced by several species of freshwater and marine cyanobacteria, as well as algae and molluscs.


An organic cation that is 5-phenylphenazin-5-ium substituted by methyl groups at positions 2 and 8, and by amino groups at positions 3 and 7. The chloride salt is the histological dye 'safranin O'.


xanthommatin

An ommochrome that consists of a pyrido[3,2-a]phenoxazine ring system bearing hydroxy, carboxy, oxo and 3-amino-3-carboxypropanoyl substituents at positions 1, 3, 5 and 11 respectively. The parent of the class of xanthommatins.


acepromazine

A member of the class of  phenothiazines that is 10H-phenothiazine substituted by an acetyl group at position 2 and a 3-(dimethylamino)propyl group at position 10.


Δ9-Tetrahydrocannabinolic acid

A diterpenoid that is 6a,7,8,10a-tetrahydro-6H-benzo[c]chromene substituted at position 1 by a hydroxy group, positions 6, 6 and 9 by methyl groups and at position 3 by a pentyl group. A biosynthetic precursor to Delta(9)-tetrahydrocannabinol, the principal psychoactive constituent of the cannabis plant.


phenanthridone

A member of the class of phenanthridines that is phenanthridine with an oxo substituent at position 6. A poly(ADP-ribose) polymerase (PARP) inhibitor, it has been shown to exhibit immunosuppressive activity.


thianthrenes

An organic heterotricyclic compound containing a thianthrene skeleton.


droxicam

An organic heterotricyclic compound that is 2H,5H-[1,3]oxazino[5,6-c][1,2]benzothiazine-2,4(3H)-dione 6,6-dioxide substituted at positions 3 and 5 by pyridin-2-yl and methyl groups respectively. A prodrug of piroxicam, it is used for the relief of pain and inflammation in musculoskeletal disorders such as rheumatoid arthritis and osteoarthritis.


(R)-wiskostatin

A 1-(3,6-dibromocarbazol-9-yl)-3-(dimethylamino)propan-2-ol that is the (R)-enantiomer of wiskostatin.


furanochromone

An organic heterotricyclic compound that is chromone which is ortho-fused to a furan ring and its substituted derivatives thereof.


CARPESIOLIN

A sesquiterpene lactonethat is 2,3-dihydroaromaticin substituted by an alpha-hydroxy group at position 6. It has been isolated from the aerial parts of Inula hupehensis.


ROBUSTINE

A quinoline alkaloid that is furo[2,3-b]quinoline substituted by a methoxy and a hydroxy group at positions 4 and 8 respectively.


A benzopteridine that is riboflavin in which the methyl group at position 8 has been replaced by a methylamino group.


PSORALEN

The simplest member of the class of psoralens that is 7H-furo[3,2-g]chromene having a keto group at position 7. It has been found in plants like  Psoralea corylifolia and Ficus salicifolia.


A member of the class of dibenzofurans that is dibenzo[b,d]furan substituted by a hydroxy group at position 1 and chloro groups at positions 6 and 7.


bisulepine

The (Z)-isomer of dithiadene.


imidazopyrimidopyrimidine

An organic heterotricyclic compound that is imidazole which is ortho fused to a pyrimidine ring which itself is ortho fused to a pyrimidine ring.


PISONIN D

A member of the class of chromones that is chromone substituted by a hydroxy group at position 5 and a methylenedioxy group across positions 6 and 7. It has been isolated from Pisonia aculeata.


FLAVALIN D

A sesquiterpenoid of the class of nardosinane-type terpenoids isolated from the Formosan soft coral Lemnalia flava.


CGS 15943

A member of the class of triazoloquinazolines that is [1,2,4]triazolo[1,5-c]quinazoline substited at positions 2, 5 and 9 by furan-2-yl, amino and chloro groups respectively. A potent antagonist at adenosine A1 and adenosine A2A receptors.


dichotomide VI

A beta-carboline alkaloid that is 9H-beta-carboline substituted by  acetyl group at position 1, a hydroxy group at position 8 and an aminocarbonyl at position 3. It has been  isolated from Stellaria dichotoma var. lanceolata.


MARINOQUINOLINE A

A pyrroloquinoline that is 3H-pyrrolo[2,3-c]quinoline substituted by a methyl group at position 4. It is a natural product found in Ohtaekwangia kribbensis and Rapidithrix thailandica.


monapinone E

A naphthopyran that is 3,4-dihydronaphtho[2,3-c]pyran-1-one which is substituted by a (2R,4R)-2,4,9-trihydroxynonyl group at position 3 and a methoxy group at position 7. Published in Acta Pharm. Sin. B, 2013, 3, 163-166. See also J. Antibiot., 2011, 64, 503-508.


(R)-aceprometazine

The (R)-enantiomer of aceprometazine.


urolithin A 3-O-glucuronide

A member of the class of benzochromenones that is urolithin A in which the phenolic hydrogen at position 3 has been replaced by a beta-D-glucuronosyl group.


tacrine

A member of the class of acridines that is 1,2,3,4-tetrahydroacridine substituted by an amino group at position 9. It is used in the treatment of Alzheimer's disease.


polychlorinated dibenzofuran

A member of the class of benzofurans that is benzofuran in which two or more of the hydrogens have reen replaced by chlorines.


(R)-mosapramine

A 1'-[3-(3-chloro-10,11-dihydro-5H-dibenzo[b,f]azepin-5-yl)propyl]hexahydro-2H-spiro[imidazo[1,2-a]pyridine-3,4'-piperidin]-2-one that has (R)-configuration.


A member of the class of furanochromones that is 5H-furo[3,2-g][1]benzopyran carrying an oxo group a position 5.


THIANTHRENE

The organosulfur heterocyclic compound that is the parent compound of the thianthrenes, a tricyclic structure comprising two benzene rings fused to the b and e sides of 1,4-dithin.


mepacrine

A member of the class of acridines that is acridine substituted by a chloro group at position 6, a methoxy group at position 2 and a [5-(diethylamino)pentan-2-yl]nitrilo group at position 9.


desmethyldoxepin

A dibenzooxepine resulting from the demethylation of the antidepressant doxepin. It is the active metabolite of doxepin.


nigerone

A biaryl resulting from the formal oxidative dimerisation of two molecules of 5-hydroxy-6,8-dimethoxy-2-methyl-4H-benzo[g]chromen-4-one to form a single bond linking position 10 of each moiety (the 10Ra enantiomer).


marmesinin

A member of the class of psoralens that is (-)-marmesin in which the hydroxy hydrogen is replaced by a beta-D-glucosyl residue.


dihydroriboflavins

A flavin obtained by formal addition of dihydrogen to the benzopteridine ring system of riboflavin.


chimonanthine

A ring assembly that is 2,2',3,3',8,8',8a,8a'-octahydro-1H,1'H-3a,3a'-bipyrrolo[2,3-b]indole substituted by methyl groups at positions 1 and 1'.


flupentixol

A flupenthixol in which the double bond adopts a cis-configuration.


batzelladine B

A carboxylic ester obtained by the formal condensation of (2aR,7R,8aS)-7-heptyl-4-methyl-2,2a,6,7,8,8a-hexahydro-1H-5,6,8b-triazaacenaphthylene-3-carboxylic acid with the hydroxy group of 4-carbamimidamidobutyl 3-(9-hydroxynonyl)-1-imino-1,2,3,5,6,7-hexahydropyrrolo[1,2-c]pyrimidine-4-carboxylate. Isolated from a bright red Caribbean sponge, Batzella, it has potential anti-HIV activity.


A member of the class of imidazoquinolines that is 3-methyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-c]quinoline substituted at position 1 by a 4-(1-cyanoisopropyl)phenyl group and at position 8 by a pyrimidin-5-yl group.


pyrimidinothiazolopyrimidine

An organic heterotricyclic compound consisting of a pyrimidine ring which is ortho-fused to any poisition of a thiazolopyrimidine ring system.


An organic heterotricyclic compound that is 9H-pyrido[4',3':4,5]pyrrolo[2,3-d]pyrimidine which is substituted by a [6-(hydroxyacetyl)-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl]nitrilo group at position 2 and by a trans-4-methylcyclohexyl group at position 9. It is a FLT3 and CDK4 dual kinase inhibitor that has antineoplastic activity. Currently under clinical investigation in patients with relapsed or refractory acute myeloid leukemia (AML).


A member of the class of phenazines that is 1,4,5,10-tetrahydrophenazine substituted at position 1 by a carboxy group (the R-enantiomer).


(-)-noscapine hemiacetal

A lactol that is (-)-noscapine [which is also known as (-)-alpha-narcotine] in which the carbonyl group of the lactone moiety has been reduced to give the corresponding lactol. It is the biosynthetic precursor of (-)-noscapine.


pyridochromene

An organic heterotricyclic compound composed of a pyridine ring fused to a chromene.


doxepin

A dibenzooxepine that is 6,11-dihydrodibenzo[b,e]oxepine substituted by a 3-(dimethylamino)propylidene group at position 11. It is used as an  antidepressant drug.


alternariol hapten

A benzochromenone that is a hapten of the mycotoxin alternariol which incorporates a five-atom carboxylated aliphatic spacer arm located through the hydroxy group at either C-3 or C-9.


acremolin B

An imidazopurine that is 4,5-dihydro-1H-imidazo[2,1-b]purine substituted by methyl, oxo, methyl, and isopropyl groups at positions 1, 4, 5, and 7, respectively. It is a natural product isolated from the deep-sea-derived fungus Aspergillus sp. SCSIO Ind09F01.


etodolac

A monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is substituted by a 1,8-diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl moiety. A preferential inhibitor of cyclo-oxygenase 2 and non-steroidal anti-inflammatory, it is used for the treatment of rheumatoid arthritis and osteoarthritis, and for the alleviation of postoperative pain. Administered as the racemate, only the (S)-enantiomer is active.


acetylseneciphylline N-oxide

A pyrrolizine alkaloid that is seneciphylline in which the hydroxy hydrogen has been replaced by an acetyl group and the tertiary amino function has been oxidised to the corresponding N-oxide.


A dibenzazecine alkaloid that is protopine bearing a hydroxy substituent at the 6-position.


propyromazine

A racemate comprising equimolar amounts of (R)- and (S)-propyromazine.


BETA-NAPHTHOFLAVONE

An extended flavonoid resulting from the formal fusion of a benzene ring with the f side of flavone.


Molecules that contain a 4-bora-3a,4a-diaza-s-indacene skeleton.


visnagin

A furanochromone that is furo[3,2-g]chromen-5-one which is substituted at positions 4 and 7 by methoxy and methyl groups, respectively. Found in the toothpick-plant, Ammi visnaga.


name: acetic acid [1-[(4,8-dimethoxy-7-furo[2,3-b]quinolinyl)oxy]-3-hydroxy-3-methylbutan-2-yl] ester


phenanthridines

Any  dibenzopyridine based on the skeleton of phenanthridine and its substituted derivatives thereof.


metofenazate

A phenothiazine derivative having a chloro subsitituent at the 2-position and a 4-substituted 3-(piperazin-1-yl)propyl group at the N-10 position.


name: acetic acid (11-oxo-6H-benzo[c][1]benzoxepin-2-yl) ester


8-hydroxymanzamine A

An alkaloid that is manzamine A with a hydroxy substituent at position 8. Isolated from Pachypellina and Acanthostrongylophora, it exhibits inhibitory activity against Glycogen Synthase Kinase-3 (EC 2.7.11.26).


CHAETOVIRIDIN G

An azaphilone that is 9,9a-dihydro-6H-furo[2,3-h]isochromene-6,8(6aH)-dione substituted by a chloro group at position 5, a methyl group at position 6a, a 2-methylbut-2-enoyl group at position 9 and a 3-methylpent-1-en-1-yl group at position 3. It has been isolated from Chaetomium globosum.


naphtho-gamma-pyrone

Any naphthopyran whose skeleton consists of a naphathalene ring system ortho-fused to a gamma-pyrone.


mauveine C

An organic cation consisting of 1,8-dimethyl-3-(4-methylanilino)phenazine carrying additional 4-methylphenyl and amino substituents at positions 5 and 7 respectively. One of four components of mauvaine, a syntheteic violet-coloured dye.


11beta,13-dihydrolactucin 15-oxalate

A sesquiterpene lactone obtained by formal condensation of one of the carboxy groups of oxalic acid with the 15-hydroxy group of 11beta,13-dihydrolactucin. Found in chicory.


desloratadine

Loratadine in which the ethoxycarbonyl group attached to the piperidine ring is replaced by hydrogen. The major metabolite of loratidine, desloratadine is an  antihistamine which is used for the symptomatic relief of allergic conditions including rhinitis and chronic urticaria. It does not readily enter the central nervous system, so does not cause drowsiness.


azatricycloalkane

An organic heterotricyclic compound containing one or more nitrogen atoms as part of the ring system.


BAUHINOXEPIN F

A dibenzooxepine that is  10,11-dihydrodibenzo[b,f]oxepine substituted by methoxy groups at positions 6 and 9, methyl group at position 7 and hydroxy groups at positions 1 and 8 respectively. It is isolated from the root extract of Bauhinia purpurea and exhibits antimalarial, antimycobacterial, antifungal, anti-inflammatory and cytotoxic activities.


BRUCEOLLINE J

An indole alkaloid that is 1,2,3,4-tetrahydrocyclopenta[b]indole substituted by a hydroxy group at position 2, geminal-methyl groups at position 3 and an oxo group at position 1. It has been isolated from the ethanol extract of the stems of Brucea mollis.


kinocoumarin

A member of the class of  coumarins that is 2H,8H-pyrano[3,2-g]chromen-2-one substituted by geminal methyl groups at position 8, a hydroxy group at position 5, and a 2-methylbut-3-en-2-yl group at positions 7 and 10.


tilivalline

A pyrrolobenzodiazepine that is (11aS)-2,3,5,10,11,11a-hexahydro-1H-pyrrolo[2,1-c][1,4]benzodiazepine substituted by an oxo group at position 5, by a hydroxy group at position 9, and by a 1H-indol-3-yl group at position 11S. It is a natural product discovered in Klebsiella oxytoca which is the causative toxin in antibiotic associated hemorrhagic colitis. It exhibits a microtubule-stabilizing activity that leads to mitotic arrest in the host cells.


TUBULOSINE

A member of the class of beta-carbolines that is tubulosan bearing methoxy groups at positions 10 and 11 and a hydroxy group at the 8' position.


A member of the class of carbazoles that is 1-(carbazol-9-yl)-3-(dimethylamino)propan-2-ol bearing two additional bromo substituents at positions 3 and 6 on the carbazole ring system.


A sesquiterpene lactone and an organic heterotricyclic compound that is 2,3,3a,4,5,6,6a,9,9a,9b-decahydroazuleno[4,5-b]furan substituted by an acetoxy group at position 4, hydroxy groups at positions 6 and 9, methyl groups at positions 6 and 9, a methylidene group at position 3 and an oxo group at position 2. It is a guaianolide isolated from Chrysanthemum boreale and has been shown to exhibit cytotoxic activity against human cancer cell lines.


name: acetic acid 2-[4-methyl-8-(4-morpholinylsulfonyl)-1,3-dioxo-2-pyrrolo[3,4-c]quinolinyl]ethyl ester


forskolin

A labdane diterpenoid isolated from the Indian Coleus plant.


(-)-rotiorin

An azaphilone that is 9,9a-dihydro-2H-furo[3,2-g]isochromen-2-one substituted by an acetyl group at position 3, an oxo group  at position 9, a 3,5-dimethylhepta-1,3-dien-1-yl group at position 6 and a methyl group at position 9a. It has been isolated from Chaetomium cupreum and exhibits antifungal activity.


HYDROMETHYLTHIONINE

A member of the class of phenothiazines that is 10H-phenothiazine in which the ring hydrogens at positions 3 and 7 have been replaced by dimethylamino groups.


name: 4-tert-butylbenzoic acid [2-[(2-methoxy-3-dibenzofuranyl)amino]-2-oxoethyl] ester


tianeptine

A member of the class of dibenzothiazepines that is 3-chloro-6-methyl-6,11-dihydrodibenzo[c,f][1,2]thiazepine 5,5-dioxide substituted by a (6-carboxyhexyl)amino group at position 11.


Major species at pH 7.3


A member of the class of beta-carbolines that is 1,2,3,4-tetrahydro-beta-carboline substituted at position 3 by a carboxy group.


name: 2-oxo-3-benzo[h][1]benzopyrancarboxylic acid ethyl ester


ankorine

A pyridoisoquinoline that is 1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinoline which is substituted at positions 2, 3, and 8 by 2-hydroxyethyl, ethyl, and hydroxy groups, respectively, and by methoxy groups at positions 9 and 10 (the 2R,3R,11bS stereoisomer). It is a benzo[a]quinolizidine alkaloid isolated from the Indian medicinal plant Alangium lamarckii.


marinoquinoline B

A pyrroloquinoline that is 3H-pyrrolo[2,3-c]quinoline substituted by an isobutyl group at position 4. It is a natural product found in Ohtaekwangia kribbensis.


crispolide

An organic heterotricyclic compound that is a hydroperoxysesquiterpene lactone with a modified germacrane skeleton, isolated from the aerial parts of Tanacetum vulgare.


triflupromazine

A member of the class of phenothiazines that is 10H-phenothiazine having a trifluoromethyl subsitituent at the 2-position and a 3-(dimethylamino)propyl group at the N-10 position.


A member of the class of phenanthridines that is 5,6-dihydrophenanthridine substituted at positions 2 and 6 by (N,N-dimethylglycyl)amino and oxo groups, respectively. It is a potent inhibitor of poly(ADP-ribose) polymerases PARP1 and PARP2 (IC50 of 110 nM and 86 nM, respectively) and exhibits anti-cancer, cardioprotective and neuroprotective properties.


An  aromatic amide that is phenazine substituted at C-1 with a carbamoyl group.


This is compound 8 in pmid:31045362


CHAETOVIRIDIN C

An azaphilone that is 9,9a-dihydro-6H-furo[2,3-h]isochromene-6,8(6aH)-dione substituted by a chloro group at position 5, a 3-hydroxy-2-methylbutanoyl group at position 9, a methyl group at position 6a and a 3-methylpent-1-en-1yl group at position 3. It has been isolated from Chaetomium globosum.


12beta-hydroxychaetoviridin C

An  azaphilone that is the 12beta-hydroxy derivative of chaetoviridin C. It has been isolated from Chaetomium globosum.


OCHROCARPINONE A

A beta-diketone isolated from Ochrocarpos punctatus and has been shown to exhibit antineoplastic activity.


A sesquiterpene lactone that is the 5alpha-epoxy derivative of alantolactone. Isolated from the root extracts of Inula helenium, it exhibits antimycobacterial activity.


6-hydroxyphenazine-1-carboxylic acid

A member of the class of phenazines that is phenazine substituted by a carboxy group at positions 1 and a hydroxy group at position 6. A natural product found in Streptomyces sp. IFM 11204.


OCHROCARPIN E

A furanocoumarin that is 2,3-dihydro-7H-furo[2,3-f]chromen-7-one substituted by a hydroxy group at position 4, a 2-hydroxypropan-2-yl group at position 2, a 2-methylpropanoyl group at position 5 and a phenyl group at position 9. Isolated from the bark of Ochrocarpos punctatus, it exhibits cytotoxicity against the A2780 ovarian cancer cell line.


A molybdopterin dinucleotide in which the other nucleobase is cytosine and the coordinated molybdenum species is MoO2.


carvedilol

A member of the class of carbazoles that is an adrenergic antagonist with non-selective beta- and alpha-1 receptor blocking properties which helps in the management of congestive heart failure.


pelabresib

An organic heterotricyclic compound that is 4H-[1,2]oxazolo[5,4-d][2]benzazepine substituted by methyl, 2-amino-2-oxoethyl, and 4-chlorophenyl groups at positions 1, 4S and 6, respectively. It is a small molecule inhibitor of bromodomain and extra-terminal (BET) proteins and exhibits antineoplastic activity.


eriosemaone C

An extended flavonoid that consists of (2S)-flavanone substituted by hydroxy groups at positions 2', 3', and 6', a 2,4-dihyroxyphenyl group at position 5', a prenyl group at position 8 and a gem-dimethylpyran ring fused across positions 6 and 7.


DORSILURIN H

An extended flavonoid that is 7-hydroxyflavonol with an additional hydroxy group at position 3', a 2,2-dimethyldihydropyrano ring fused to ring A across positions 5 and 6, a prenyl group at position 8 and a (2S)-2-hydroxy-3-methylbut-3-en-1-yl group at position 4'. Isolated from the roots of Dorstenia psilurus, it exhibits alpha-glucosidase inhibitory activity.


An organic heterotricyclic compound that is (4aR,8aR)-8a-methyl-4,4a,5,6,7,8,8a,9-octahydronaphtho[2,3-b]furan substituted by a methyl group, methylidene group and a hydroxy group at positions 3, 5 and 6S, respectively. It is a sesquiterpenoid isolated from the plant, Atractylodes lancea.


fukanefuromarin G

A furanocoumarin that is 2,3-dihydrofuro[3,2-c]coumarin substituted by methoxy group at position 7, methyl group at positions 2 and 3 (relatively trans configuration) and a 4-methyl-5-(4-methyl-2-furyl)-3(E)-pentenyl moiety at position 2. Isolated from the roots of Ferula fukanensis, it inhibits production of nitric oxide (NO).


mauveine B

An organic cation consisting of 1,8-dimethyl-3-(4-methylanilino)phenazine carrying additional phenyl and amino substituents at positions 5 and 7 respectively. One of four components of mauvaine, a syntheteic violet-coloured dye.


riboflavin cyclic 4',5'-phosphate

A flavin mononucleotide that is riboflavin (vitamin B2) in which the 4' and 5' hydroxy groups have been converted into a cyclic hydrogen phosphate ester.


thiethylperazine

A member of the class of phenothiazines that is perazine substituted by a ethylsulfanyl group at position 2.


CASEANIGRESCEN B

A diterpenoid of the clerodane group isolated from the leaves and flowers of Casearia nigrescens. It exhibits cytotoxicity against A2780 human ovarian cancer cell line.


AGLAFOLIN

A heterotricyclic compound based on a 2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan framework substituted by hydroxy groups at positions C-1 and C-8b, a methoxycarbonyl group at C-2, a phenyl group at C-3, a 4-methoxyphenyl group at C-3a and methoxy groups at C-6 and C-8. A platelet aggregation inhibitor found in Aglaia elliptifolia and Aglaia odorata.


matsudone A

A glycosyloxyflavone that is 5,3',4'-trihydroxyflavone substituted by a beta-D-glucopyranosyloxy group at position 3 and a 2'',2''-dimethylpyrano ring fused across positions 7 and 8. Isolated from the leaves of Salix matsudana, it acts as a cyclooxygenase 2 inhibitor.


6'-DESMETHYLCANDIDUSIN B

A member of the class of dibenzofurans that is dibenzo[b,d]furan substituted by a 3,4-dihydroxyphenyl group at position 3, hydroxy groups at positions 1, 7 and 8 and a methoxy group at position 4. It has been isolated from the culture of the mangrove endophytic fungus Penicillium chermesinum.


candelalide C

A diterpenoid isolated from Sesquicillium candelabrum and has been shown to act as a blocker of the voltage-gated potassium channel Kv1.3.


dinapinone E

A binaphthopyran resulting from the oxidative coupling at position 8 of two molecules of monapinone E.


pyrimidobenzodiazepine

Any three-ring heterocyclic compound with a skeleton consisting of a pyrimidine ring fused to a benzodiazepine bicycle.


thioridazine

A phenothiazine derivative having a methylsulfanyl subsitituent at the 2-position and a (1-methylpiperidin-2-yl)ethyl] group at the N-10 position.


An imidazobenzodiazepine that is midazolam which is substituted by a hydroxy group at positions 2 and 4. It is the minor metabolite of the anesthetic, midazolam.


A (3E)-3-{[(4-methyl-5-oxo-2,5-dihydrofuran-2-yl)oxy]methylidene}-3,3a,4,8b-tetrahydro-2H-indeno[1,2-b]furan-2-one that has (3aS,8bR) configuration in the indenofuranone moiety and S at the chiral centre in the furanone ring.


An organic cation resulting from the protonation of pyocyanin.


CASEARGREWIIN A

A diterpenoid of the clerodane group isolated from the bark of Casearia grewiifolia and has been shown to exhibit antimalarial and antimycobacterial activity.


dipymetitrone

An organonitrogen heterocyclic compound that is 1H,5H-[1,4]dithiino[2,3-c:5,6-c']dipyrrole-1,3,5,7(2H,6H)-tetrone substituted at positions 2 and 6 by methyl groups.


PHENOXAZINE

A member of the class of phenoxazines that is morpholine which is ortho-fused to two benzene rings at positions 2-3 and 5-6.


curvularol

An organic heterotricyclic compound that is isolated from the fermentation broth of Curvularia sp. RK97-F166.


oxcarbazepine

A dibenzoazepine derivative, having a carbamoyl group at the ring nitrogen, substituted with an oxo group at C-4 of the azepeine ring which is also hydrogenated at C-4 and C-5. It is a anticholinergic anticonvulsant and mood stabilizing drug, used primarily in the treatment of epilepsy.


ethopropazine

A member of the class of phenothiazines that is phenothiazine in which the hydrogen attached to the nitrogen is substituted by a 2-(diethylamino)propyl group. An antimuscarinic, it is used as the hydrochloride for the symptomatic treatment of Parkinson's disease.


pyrazinoquinazoline

Any organic heterotricyclic compound that consists of a pyrazine ring ortho-fused to a quinazoline.


aceprometazine

A phenothiazine compound having an acetyl group at the 2-position and a 2-(dimethylamino)-1-propyl group at the 10-position.


spartioidine N-oxide

A pyrrolizine alkaloid that is 13,19-didehydrosenecionane carrying a hydroxy substituent at position 12, two oxo substituents at positions 11 and 16 and an N-oxido substituent.


ustilaginoidin C

A binaphthopyran resulting from the formal oxidative coupling at position 9 of two molecules of 5,6,8-trihydroxy-2-(hydroxymethyl)-4H-naphtho[2,3-b]pyran-4-one.


cordysinin C

A member of the class of beta-carbolines that is beta-carboline substituted by a 1-hydroxyethyl group at position 1 (the R enantiomer). It has been isolated from the mycelia of Cordyceps sinensis.


cleistanthin C

A member of the class of cleistanthins that is cleistanthin A in which the hydroxy group at position 4 of the glucoside moiety has been converted to the corresponding 2,3-di-O-methyl-beta-D-xylopyranoside.


DECURSINOL

An organic heterotricyclic compound that is 7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-2-one substituted by a beta-hydroxy group at position 7 and two methyl groups at position 8. It is isolated from the roots of Angelica gigas and has been found to possess significant inhibitory activity against acetylcholinesterase enzyme (EC 3.1.1.7).


gamma-aminoorcein

A member of the class of phenoxazines that is 1,9-dimethyl-3H-phenoxazin-3-one carrying an additional amino substituent at position 7 as well as two 2,4-dihydroxy-6-methylphenyl substituents at positions 2 and 8. The isomer in which the hydroxy groups at positions 2' and 2'' on the phenyl rings are situated on opposite sides of the plane of the phenoxazine ring system. A component of orcein, a mixture of dyes isolated from lichens.


diazepinoindole

Any organic heterotricyclic compound with a skeleton consisting of a diazepine ring fused to an indole.


An organic heterotricyclic compound that is 3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline which is substituted by a pyridin-3-yl at position 4 and by fluorines at positions 6 and 8.


ZALUZANIN C

A sesquiterpene lactone that is decahydroazuleno[4,5-b]furan-2(3H)-one substituted by methylidene groups at positions 3, 6 and 9 and a hydroxy group at position 8.


streptoverticillin

A carbazole alkaloid that is 9H-carbazole substituted by a methyl group at position 2, methoxy groups at positions 3 and 4 and a (2S)-2-hydroxypropyl group at position 1. Isolated from mycelial solid culture of Streptoverticillium morookaense, it exhibits antifungal activity.


norloline

A loline alkaloid with formula C7H12N2O. It is isolated from the plants Lolium cuneatum and Lolium temulentum.


A member of the class of phenazines obtained by hydrogenation of the 5 and 10 positions of phenazine.


phenazine-1,6-dicarboxylic acid

A member of the class of phenazines carrying carboxy substituents at positions 1 and 6. A natural product found in Streptomyces species.


A furanocoumarin that is 2,3-dihydrofuro[3,2-c]coumarin substituted by a hydroxy group at position 7, methyl groups at positions 2 and 3 (relatively cis configuration) and a 4,8-dimethyl-3(E),7-nonadien-6-onyl moiety at position 2. Isolated from the roots of Ferula fukanensis and Ferula ferulioides, it exhibits inhibitory activity against production of nitric oxide (NO).


The R-enantiomer of etodolac. It is inactive, in contrast to the enantiomer, (S)-etodolac, which is a preferential inhibitor of cyclo-oxygenase 2 and a non-steroidal anti-inflammatory. The racemate is commonly used for the treatment of rheumatoid arthritis and osteoarthritis, and for the alleviation of postoperative pain.


NEOCUPROINE

A member of the class of phenanthrolines that is 1,10-phenanthroline bearing two methyl substituents at positions 2 and 9.


AJUGACILIATIN F

A diterpene lactone isolated from the whole plants of Ajuga ciliata.


ethidium

The fluorescent compound widely used in experimental cell biology and biochemistry to reveal double-stranded DNA and RNA.


SCHWEINFURTHIN E

A stilbenoid that is the 5-O-methyl ether derivative of vedelianin. Isolated from Macaranga alnifolia, it exhibits cytotoxic activity.


USTILAGINOIDIN A

A binaphthopyran resulting from the formal oxidative coupling at position 9 of two molecules of 5,6,8-trihydroxy-2-methyl-4H-naphtho[2,3-b]pyran-4-one.


semiviriditoxin

A naphthopyran that is 3,4-dihydro-naphtho[2,3-c]pyran-1-one which is substituted by a 2-methoxy-2-oxoethyl group at position 3, a methoxy group at position 7, and hydroxy groups at positions 9 and 10 (the 3S enantiomer). It is produced by the fungus Paecilomyces variotii, isolated from the larvae of the mountain pine beetle Dendroctonus ponderosae. The biological precursor of viriditoxin.


An iminium betaine consisting of phenazine carrying carboxylate- and methyl substituents at positions 1 and 5 respectively.


fukanefuromarin F

A furanocoumarin that is 2,3-dihydrofuro[3,2-c]coumarin substituted by a methoxy group at position 7, methyl groups at positions 2 and 3 (relatively trans configuration) and a 4-methyl-5-(4-methyl-2-furyl)-3(E)-pentenyl moiety at position 3. Isolated from the roots of Ferula fukanensis, it inhibits production of nitric oxide (NO).


DORSILURIN I

An extended flavonoid that is flavonol with additional hydroxy groups at position 5 and 3', a 2,2-dimethyldihydropyrano ring fused to ring A across positions 7 and 8, a prenyl group at position 6 and a (2S)-2-hydroxy-3-methylbut-3-en-1-yl group at position 4'. Isolated from the roots of Dorstenia psilurus, it exhibits alpha-glucosidase inhibitory activity.


A furanocoumarin which bears a hydroxy group at position 8.


nocardione A

A naphthofuran that is 2,3-dihydronaphtho[1,2-b]furan-4,5-dione substitutd by a hydroxy group at position 6 and a methyl group at position 2. It is isolated from Norcardia sp.TC-A0248 and acts as a protein tyrosine phosphatase inhibitor.


BODIPY 493/503

A BODIPY dye in which the 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene  skeleton is substituted at positions 1, 3, 5, 7, and 8 by methyl groups. It is used as a stain for neutral lipds and as a tracer for oil and other nonpolar lipids.


(R)-propyromazine

A 1-methyl-1-[1-oxo-1-(10H-phenothiazin-10-yl)propan-2-yl]pyrrolidinium that has R-configuration.


aurasperone B

A dimeric naphthopyran with formula C32H30O12, isolated from several Aspergillus species.


notoamide E

A pyranoindole that is notoamide S in which the phenolic hydrosy group at position 6 of the indole moiety has formal addition to the 3-methylbut-2-en-1-yl group at postion 7 of the indole moiety to give the corresponding 7,7-dimethyl-1,7-dihydropyrano[2,3-g]indole derivative. Isolated from a mussel-derived Aspergillus species.


A member of the class of psoralens that is psoralen substituted by a 4-phenylbutoxy group at position 5. It is a potent inhibitor of the voltage-gated potassium channel Kv1.3 (EC50 = 3 nM).


Sudan black B

A member of the class of perimidines that is 2,2-dimethyl-2,3-dihydro-1H-perimidine carrying a [4-(phenyldiazenyl)naphthalen-1-yl]diazenyl substituent at position 6. A fat-soluble dye predominantly used for demonstrating triglycerides in frozen sections and for staining of protein bound lipids in paraffin sections.


nor-toralactone

A naphtho-gamma-pyrone that is 1H-benzo[g]isochromen-1-one substituted by a methyl group at position 3 and hydroxy groups at positions 7, 9 and 10.


A member of the class of rifamycins that is rifamycin itself in which the hydroxy hydrogen at position 21 has been replaced by a phosphono group.


LONGIROSTRERONE D

An  azaphilone that is 6H-furo[2,3-h]isochromene-6,8(6aH)-dione substituted by a 4-hydroxy-2-methyl-6-oxocyclohexyl group at position 3, a methyl group at position 6a, and a 4,6,8-trimethyldeca-2,4-dienoyl group at position 9. Isolated from Chaetomium longirostre, it exhibits cytotoxic activities.


DORSILURIN J

An extended flavonoid that is 7-hydroxyflavonol with an additional hydroxy group at position 3', a 2,2-dimethyldihydropyrano ring fused to ring A across positions 5 and 6, and  prenyl groups at positions 8 and 4'. Isolated from the roots of Dorstenia psilurus, it exhibits alpha-glucosidase inhibitory activity.


The (-)-stereoisomer of SKF-10,047.


jacoline

A pyrrolizine alkaloid obtained from senecionine by formal addition of hydrogen peroxide across the ethylidene double bond.


ORBICULIN G

A dihydroagarofuran sesquiterpenoid that consists of dihydro-beta-agarofuran substituted by an acetoxy group at position 1 and benzoyloxy groups at positions 2, 6 and 9 (the 1beta,2beta,6alpha,9alpha stereoisomers). Isolated from the roots of Celastrus orbiculatus and Microtropis fokienensis and exhibits cytotoxic and antitubercular properties.


A tricyclic diterpenoid that is isolated from plants and fungi and exhibits anti-bacterial protperties.


N-DESMETHYLCLOZAPINE

A dibenzodoazepine substituted with chloro and piperazino groups which is a major metabolite of clozapine; a potent and selective 5-HT2C serotonin receptor antagonist.


name: 2-[(9-ethyl-3-carbazolyl)iminomethyl]propanedioic acid diethyl ester


deoxycylindrospermopsin

A triazaacenaphthylene that is 2,2a,3,4,5,5a,6,7-octahydro-1H-1,8,8b-triazaacenaphthylene which is substituted at positions 3, 4, and 7 by methyl, sulfooxy, and (2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)methyl groups, respectively (the 2aS,3R,4S,5aS,7R stereoisomer). A non-toxic analogue of the cyanotoxins cylindrospermopsin and 7-epi-cylindrospermopsin (the latter two have a hydroxy group attached to the carbon adjacent to the uracil ring), it is produced by several species of freshwater cyanobacteria, such as Cylindrospermopsis raciborskii.


bauhinoxepin B

A dibenzooxepine that is dibenzo[b,f]oxepine substituted by a methoxy group at position 6, a methyl group at position 7, a prenyl group at position 2 and hydroxy groups at positions 1 and 8 respectively. It is isolated from the roots of Bauhinia saccocalyx and exhibits antimycobacterial activity.


An azaarene that is benzo[c]cinnoline with methoxy substituents at positions 1 and 10. It is isolated from Streptomyces sp. strain 4849 with pharmaceutical potential as an inhibitor of interleukin-4 receptor (IL-4).


name: 4-[oxo-(4-oxo-5H-thieno[3,2-c]quinolin-2-yl)methyl]-1-piperazinecarboxylic acid ethyl ester


orobanchol ABC-rings

An indenofuran that is (3aS,8bR)-3,3a,4,5,6,7,8,8b-octahydro-2H-indeno[1,2-b]furan substituted by oxo, hydroxymethylidene, hydroxy, methyl, and methyl groups at positions 2, 3, 4, 8, and 8, respectively.


SCHWEINFURTHIN G

A stilbenoid that is the 3-deoxy derivative of vedelianin. Isolated from Macaranga alnifolia, it exhibits cytotoxic activity.


A 9H-beta-carboline carrying a methyl substituent at C-1, a dimethylallyl at C-6 and a hydroxy group at C-7; major microspecies at pH 7.3.


trans-bisulepin

The (E)-isomer of dithiadene.


A nucleoside 3',5'-cyclic monophosphate analogue having imidazo[2,1-b]purin-4-one as the modified nucleobase.


(+)-tephrosone

A member of the class of  chalcones isolated from Tephrosia purpurea and has been shown to exhibit antineoplastic activity.


FLUORESCEIN

A xanthene dye that is highly fluorescent and commonly used as a fluorescent tracer.


A sesquiterpene lactone that is 3a,4,4a,5,6,7,7a,9a-octahydroazuleno[6,5-b]furan-2(3H)-one substituted by a hydroxy group at position 5, methyl groups at positions 5 and 8 and a methylidene group at position 3 (the 3aR,4aR,5S,7aR,9aS stereoisomer). It has been isolated from the aerial parts of Inula hupehensis.


A nucleobase analogue obtained by addition of an etheno group across positions 1 and N2 of guanine.


BAUHINOXEPIN J

A dibenzooxepine that is 10,11-dihydrodibenzo[b,f]oxepine-1,4-dione substituted by a methoxy group at position 2. It is isolated from the root extract of Bauhinia purpurea and exhibits antimalarial, antimycobacterial, antifungal and cytotoxic activities.


(R)-columbianetin

The (R)-(-)-enantiomer of columbianetin.


A guaiane sesquiterpenoid isolated from Elephantopus mollis and has been shown to exhibit cytotoxic activity.


dihydrochanoclavine-I aldehyde

An ergot alkaloid that is 1,3,4,5-tetrahydrobenzo[cd]indole which is substituted at position 4 by a methylamino group and at position 5 by a 2-methyl-3-oxopropyl group (the 4R,5R diastereoisomer).


A benzoindole that is 1H-benzo[g]indole substituted by naphthalen-2-yl and 2-({(2R)-6-amino-1-[(2S)-2-aminopropoxy]-1-oxohexan-2-yl}amino)-2-oxoethyl groups at positions 2 and 3, respectively. It is a selective nonpeptidic agonist of the somatostatin subtype-5 (SST5) receptor with Ki of 0.4 nM.


Chrome fast yellow 8GL (acid form)

A member of the class of benzoisoquinolines that is 6-amino-1,3-dioxo-5-sulfobenzo[de]isoquinoline substituted at position 2 by a 3-carboxy-4-hydroxyphenyl group. The disodium salt is the histological dye 'Chrome fast yellow 8GL'.


(-)-USNIC ACID

The (-)-enantiomer of usnic acid.


phosphatoquinone A

An organic heterotricyclic compound resulting from the formal epoxidation of the 2-3 double bond of the 1,4-naphthoquinone moiety of phosphatoquinone B. It is isolated from the culture broth of Streptomyces sp.TC-0363 and exhibits inhibitory activity against the enzyme protein tyrosine phosphatase.


himbacine

A  piperidine alkaloid that is decahydronaphtho[2,3-c]furan-1(3H)-one substituted by a methyl group at position 3 and a 2-[(2R,6S)-1,6-dimethylpiperidin-2-yl]ethenyl group at position 4. It has been isolated from the bark of Australian magnolias.


A 7,8-dimethylbenzo[g]pteridine-2,4-dione that is  isoalloxazine substituted by methyl groups at positions 7 and 8.


ACRIDINE

A polycyclic heteroarene that is anthracene in which one of the central CH groups is replaced by a nitrogen atom.


ARUGOSIN B

A  dibenzooxepine that is dibenzo[b,e]oxepin-11(6H)-one substituted by hydroxy groups at positions 1, 6 and 10, a methyl group at position 8, a prenyl group at position 4 and a prenyloxy group at position 7. Isolated from Aspergillus, it exhibits antibacterial activity.


A member of the class of phenanthrolines that is 2,7-phenanthroline substituted at position 9 by a 4-hydroxyphenyl group.


beta-carbolines

Any pyridoindole containing a beta-carboline skeleton and their hydrogenated derivatives


trifluoperazine

A member of the class of phenothiazines that is  phenothiazine having a trifluoromethyl subsitituent at the 2-position and a 3-(4-methylpiperazin-1-yl)propyl group at the N-10 position.


chanoclavine-I aldehyde

An enal resulting from the oxidation of the primary alcohol group of chanoclavine-I to the corresponding aldehyde.


thiinoindole

Any organic heterotricyclic compound that consists of a thiopyran ring fused to an indole.


1beta-hydroxy arbusculin A

A sesquiterpene lactone that is the 1beta-hydroxy derivative of arbusculin A. Isolated from Saussurea lappa, it exhibits inhibitory activity against melanogenesis.


An imidazoquinoline that is 3H-imidazo[4,5-f]quinoline substituted by a methyl group at position 3 and an amino group at position 2.


tetrabenazine

A 9,10-dimethoxy-3-isobutyl-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-one in which both stereocentres have S configuration.


amsacrine

A sulfonamide that is N-phenylmethanesulfonamide substituted by a methoxy group at position 3 and an acridin-9-ylamino group at position 4. It exhibits  antineoplastic activity.


STRIGOL

A strigolactone in which the tricyclic lactone moiety bears a hydroxy substitutuent at the position para to the gem-dimethyl group.


usnic acid

A member of the class of  dibenzofurans that is dibenzo[b,d]furan-1(9bH)-one substituted by acetyl groups at positions 2 and 6, hydroxy groups at positions 3 and 7 and methyl groups at positions 8 and 9b.


A benzochromenone that is beta-lapachone in which one of the hydrogens attached to the carbon adjacent to that bearing the gem-dimethyls is replaced by a bromine.


dichotomide IV

A  beta-carboline alkaloid found in Stellaria dichotoma var. lanceolata.


fluphenazine decanoate

The prodrug of fluphenazine, an antipsychotic drug used for the symptomatic management of psychosis in patients with schizophrenia.


(E)-chlorprothixene

A chlorprothixene in which the double bond adopts an (E)-configuration.


A 1,2,4-triazolo[3,4-a]phthalazine having a methyl substituent at the 3-position.


azatadine

A benzo[5,6]cyclohepta[1,2-b]pyridine having a 1-methylpiperidin-4-ylidene group at the 11-position.


callophycoic acid E

A dibenzooxepine diterpenoid that is hexahydrodibenzo[b,e]oxepine-2-carboxylic acid with an isolated double bond between positions 6 and 6a and is substituted by a bromo, a 2-[(1R,3S)-3-bromo-2,2-dimethyl-6-methylidenecyclohexyl]ethyl and a methyl group at positions 9, 10 and 10 respectively (the 9S,10S,10aR stereoisomer). It is isolated from the Fijian red alga Callophycus serratus and exhibits antibacterial, antimalarial and anticancer activities.


A secondary carboxamide resulting from the formal condensation of the carboxy group of [(2R,6S)-2,6-dimethylmorpholin-4-yl]acetic acid with the amino group of 2-(7-amino-9H-thioxanthen-4-yl)-6-(morpholin-4-yl)-4H-pyran-4-one. It is an ATM kinase inhibitor (IC50 = 6.3 nM).


clarinoside

A naphthopyran that is 1H-naphtho[2,3-c]pyran-5,10-diol in which the hydroxy group at position 5 (furthest from the pyran oxygen) has been converted to the corresponding beta-D-glucoside, while that at position 10 has been converted to the corresponding 6-deoxy-beta-D-glucopyranoside (beta-D-quinovoside). It was isolated from the flowered aerial parts of the annual plant Mitracarpus scaber.


A benzylisoquinoline alkaloid that is 3-O-acetyl-4'-O-demethylpapaveroxine in which the phenolic hydroxy group has been converted to the corresponding methyl ether. An intermediate in the biosynthesis of noscarpine in the opium poppy, Papaver somniferum.


jacobine N-oxide

A pyrrolizine alkaloid that is jacobine in which the tertiary amino function has been oxidised to the corresponding N-oxide.


dibenzodioxocine

An organic heterotricyclic compound that consists of a 8-membered dioxocine fused with 2 benzene rings.


cordysinin E

A member of the class of beta-carbolines that is beta-carboline substituted by a (2R)-2,3-dihydroxypropyl group at position 1. It has been isolated from the mycelia of Cordyceps sinensis.


ambroxan

A diterpenoid derived from sclareol that is responsible for the odour of ambergris (a solid, waxy, flammable substance produced in the digestive system of sperm whales).


jaconine

A pyrrolizine alkaloid that is jacoline in which the secondary hydroxy group has been replaced by a chlorine.


A dithioloquinoxaline that is [1,3]dithiolo[4,5-b]quinoxaline in which both the hydrogens at position 2 are substituted by amino groups.


mesoridazine

A phenothiazine substituted at position 2 (para to the S atom) by a methylsulfinyl group, and on the nitrogen by a 2-(1-methylpiperidin-2-yl)ethyl group.


regelidine

A sesquiterpene alkaloid that is isolated from the stem of Tripterygium regelii.


SCHWEINFURTHIN F

A stilbenoid isolated from Macaranga alnifolia and has been shown to exhibit cytotoxic activity.


neopentalenolactone D

A sesquiterpene lactone obtained by regioselective Bayer-Villiger oxidation of 1-deoxy-11-oxopentalenic acid.


ASPERPYRONE B

A dimeric naphthopyran with formula C32H26O10, originally isolated from Aspergillus niger.


eseroline

A pyrroloindole that is 1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indole substituted by methyl groups at positions 1, 3a and 8 and a hydroxy group at position 5. It is a metabolite of physostigmine and causes neuronal cell death by a mechanism involving loss of cell ATP.


CASSIARIN B

An isoquinoline alkaloid that is pyrano[2,3,4-ij]isoquinolin-8(4H)-one substituted by methyl groups at positions 2 and 5 and a 4-methoxy-4-oxobutyl  group at position 4. It is isolated from the leaves of Cassia siamea and exhibits antiplasmodial activity against Plasmodium falciparum.


A pseudoguaianolide with anti-inflammatory activity isolated from the aerial parts of Inula hupehensis.


(S)-blebbistatin

The (S)-enantiomer of blebbistatin.


thioproperazine

A phenothiazine derivative in which the phenothiazine tricycle has a dimethylaminosulfonyl substituent at the 2-position and a 3-(4-methylpiperazin-1-yl)propyl group at N-10.


A member of the class of phenazines that is phenazine substituted by methoxy groups at positions 1 and 6. It is a bacterial metabolite found in Streptomyces thioluteus.


Molybdopterin cytosine dinucleotide with coordinated molybdenum.


A pyrazoloquinoline that is 6-methoxy-3-methyl-1H-pyrazolo[3,4-b]quinoline bearing an additional 2-[(2-hydroxyethoxy)ethyl]amino substituent at position 4


An imidazoquinoline that is 3H-imidazo[4,5-f]quinoline substituted by a methyl group at position 3 and an acetoxyamino group at position 2. The active metabolite of the dietary carcinogen 3-methyl-3H-imidazo[4,5-f]quinolin-2-amine (IQ).


heteranthrene

Heterotricyclic compounds containing two benzene rings fused to a 1,4-diheterabenzene in which the heteroatoms are the same.


COLUMBIANETIN

The (S)-(+)-enantiomer of columbianetin.


ROTIORINOL A

An azaphilone that is 9,9a-dihydro-2H-furo[3,2-g]isochromen-2-one substituted by an acetyl group at position 3, a hydroxy group at position 9, a 3,5-dimethylhepta-1,3-dien-1-yl group at position 6 and a methyl group at position 9a. It has been isolated from Chaetomium cupreum and exhibits antifungal activity.


candelalide A

A diterpenoid isolated from Sesquicillium candelabrum and has been shown to act as a blocker of the voltage-gated potassium channel Kv1.3.


muramine

A dibenzazecine alkaloid that is 5,7,8,14-tetrahydrodibenzo[c,g]azecin-13(6H)-one substituted by a methyl group at position 6 and by methoxy groups at positions 3, 4, 10, and 11.


indenofuran

Any organic heterotricyclic compound whose skeleton consists of an indene fused to a furan ring.


harmala alkaloid

Any member of a class of naturally occurring alkaloids based on a 1-methyl-9H-beta-carboline skeleton.


CHAETOCHROMIN C

A biaryl that is 2,2',3,3'-tetrahydro-4H,4'H-9,9'-bibenzo[g]chromene-4,4'-dione substituted by hydroxy groups at positions 5, 5', 6, 6', 8 and 8' and methyl groups at positions 2, 2' and 3 (the 2R,3R stereoisomer). It has been isolated from Chaetomium gracile.


trimipramine

A dibenzoazepine that is 10,11-dihydro-5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)-2-methylpropyl group at the nitrogen atom. It is used as an antidepressant.


CholEsteryl BODIPY 542/563 C11

A BODIPY dye in which the 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene skeleton is substituted at position 5 by a p-methoxyphenyl group and at position 3 by an 11-[(3beta)-cholest-5-en-3-yloxy]-11-oxoundecyl group. An orange-red BODIPY dye.


fukanefuromarin E

A furanocoumarin that is 2,3-dihydrofuro[3,2-c]coumarin substituted by a methoxy group at position 7, methyl groups at positions 2 and 3 (relatively cis configuration) and a 4-methyl-5-(4-methyl-2-furyl)-3(E)-pentenyl moiety at position 3. Isolated from the roots of Ferula fukanensis, it inhibits production of nitric oxide (NO).


acridine orange

Fluorescent dye useful for cell cycle determination. It is cell-permeable, and interacts with DNA and RNA by intercalation or electrostatic attractions respectively.


ciguatoxin ABC ring fragment

A polycyclic ether comprising a linear sequence of three trans-fused oxacycles (one oxepine and two pyrans) which corresponds to the ABC ring fragment of ciguatoxin CTX1B.


harmol

A 9H-beta-carboline carrying a methyl substituent at C-1 and a hydroxy group at C-7; major microspecies at pH 7.3.


VEDELIANIN

A stilbenoid derivative isolated from Macaranga alnifolia and Macaranga alnifolia and has been shown to exhibit cytotoxic activity.


chlorprothixene

A chlorprothixene in which the double bond adopts a (Z)-configuration.


dehydrojacoline

A pyrrolizine alkaloid that is jacoline in which the 5-methyl group has been replaced by methylene.


furoquinoline

An organic heterotricyclic compound consisting of a furan ring ortho-fused to a quinoline.


8'-epi-cleomiscosin A

An organic heterotricyclic compound that is 2,3-dihydro-9H-[1,4]dioxino[2,3-h]chromen-9-one substituted by 4-hydroxy-3-methoxy phenyl group at position 3, a hydroxymethyl group at position 2 and a methoxy group at position 5 (the 2S,3R stereoisomer). An epimer of cleomiscosin A, it is isolated from the aerial parts of Rhododendron collettianum and exhibits inhibitory activity towards the enzyme tyrosinase.


chaetochromin A

A biaryl that is 2,2',3,3'-tetrahydro-4H,4'H-9,9'-bibenzo[g]chromene-4,4'-dione substituted by hydroxy groups at positions 5, 5', 6, 6', 8 and 8' and methyl groups at positions 2, 2', 3 and 3' (the 2R,2'S,3R,3'S stereoisomer). It has been isolated from Chaetomium gracile.


trioxsalen

7H-Furo[3,2-g]chromen-7-one in which positions 2, 5, and 9 are substituted by methyl groups. Like other psoralens, trioxsalen causes photosensitization of the skin. It is administered orally in conjunction with UV-A for phototherapy treatment of vitiligo. After photoactivation it creates interstrand cross-links in DNA, inhibiting DNA synthesis and cell division, and can lead to cell injury; recovery from the cell injury may be followed by increased melanisation of the epidermis.


elongatol A

A sesquiterpenoid that is 1,2,3a,4,5,7,8,9,9a,9b-decahydronaphtho[2,1-b]furan substituted by methyl groups at positions 1, 9 and 9a and hydroxy groups at positions 2 and 7. Isolated from methylene chloride solubles of the Formosan soft coral Nephthea elongata, it exhibits cytotoxicity against selected cancer cells.


An extended flavonoid that consists of (2S)-flavanone substituted by a hydroxy group at position 5, methoxy groups at positions 3' and 4' , a prenyl group at position 6 and a gem-dimethylpyran ring fused across positions 7 and 8. Isolated from  Lonchocarpus utilis and Lonchocarpus urucu, it acts as a NADH:ubiquinone reductase inhibitor.


glyflavanone A

An extended flavonoid that is 2,3-dihydro-4H,8H-pyrano[2,3-f]chromen-4-one which is substituted by a p-methoxyphenyl group at the 2-pro-S position, a methoxy group at position 5, and two methyl groups at position 8.


An organic heterotricyclic compound that is 5,6-methylenedioxybenzofuran substituted by a 2,4-dihydroxy-5-prenylphenyl moiety at position 2. Isolated from the roots of Sophora flavescens, it exhibits cytotoxic activity against the KB epidermoid carcinoma cell line.


name: 4-(thiophen-2-ylmethylidene)-2,3-dihydro-1H-acridine-9-carboxylic acid [2-(4-acetylanilino)-2-oxoethyl] ester


A BODIPY compound that is 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene substituted at position 5 by a methyl group and at position 3 by a 11-carboxyundecyl group.


papulacandin A

A papulacandin substituted by a (2E,4E)-deca-2,4-dienoyl chain at the O-(6') position and a (2E,4E,7S,8E,10E,14S)-7-hydroxy-8,14-dimethylhexadeca-2,4,8,10-tetraenoyl chain at the O-(3) position. It is a carbohydrate-containing antibiotic from the deuteromycetous fungus Papularia sphaerosperma which shows potent antifungal activity against Candida albicans.


aurachin A

An A-type aurichin that is 1,2-dihydrofuro[2,3-c]quinoline 5-oxide which is substituted at position 2 by a (6E)-10-hydroxy-2,6-dimethylundeca-2,6-dien-10-yl group and at position 4 by a methyl group (relative configuration shown). Found in the myxobacterium Stigmatella aurantiaca strain Sg a15.


orbiculin E

A dihydroagarofuran sesquiterpenoid that consists of dihydro-beta-agarofuran substituted by acetoxy group at positions 1 and 2, a benzoyloxy group at position 9 and furoyloxy groups at position 6 (the 1beta,2beta,9alpha,6alpha). Isolated from Celastrus orbiculatus, it exhibits inhibition of both NF-kappaB activation and nitric oxide production.


This is compound 5 in pmid:31045362


1,6-dihydroxyphenazine N(5)-oxide(1-)

Major microspecies at pH 7.3


WO2-molybdopterin cofactor

A W-molybdopterin cofactor in which the coordinated tungsten species is WO2.


(R)-blebbistatin

The (R)-enantiomer of blebbistatin.


dihydroagarofuran

A eudesmane sesquiterpenoid that is octahydro-2H-3,9a-methano-1-benzoxepine substituted by methyl groups at positions 2, 2, 5a and 9 (the 3R,5aS,9R,9aS stereoisomer).


A  pyridochromene that is 10H-chromeno[3,2-c]pyridine substituted by hydroxy groups at positions 7 and 8, a methyl group at position 3, an oxo group at position 10 and a carboxy group at position 9. Isolated from Chaetomium funicola, it exhibits inhibitory activity against metallo-beta-lactamases.


eslicarbazepine acetate

The acetate ester, with S configuration, of licarbazepine. An anticonvulsant, it is approved for use in Europe and the United States as an adjunctive therapy for epilepsy.


triazoloquinazoline

An organic heterotricyclic compound that consists of a triazole ring ortho-fused at any position to a quinazoline ring system.


thienodolin

An indole alkaloid that is a thienoindole ring with carboxamide group and chlorine substituents at positions 2 and 6 respectively.


name: 9H-pyrido[3,4-b]indole-3-carboxylic acid ethyl ester


GEVOTROLINE

A beta-carboline that is 2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole which is substituted by a 3-(pyridin-3-yl)propyl group at position 2 and a fluoro group at position 8.


HARMALOL

A harmala alkaloid in which the harman skeleton is hydroxy-substituted at C-7 and has been reduced across the 3,4 bond.


flumequine

A racemate comprising equimolar amounts of R- and S-flumequine. A broad-spectrum antibiotic, formerly used in veterinary medicine for stock breeding and treatment of aquacultures.


SILVESTROL

An organic heterotricyclic compound that consists of a  2,3,3a,8b-tetrahydro-H-benzo[b]cyclopenta[d]furan framework substituted by hydroxy groups at positions C-1 and C-8b, a methoxycarbonyl group at C-2, a phenyl group at C-3, a 4-methoxyphenyl group at C-3a, a methoxy group at C-8 and a 1,4-dioxan-2-yloxy group at position C-6 which in turn is substituted by a methoxy group at position 3 and a 1,2-dihydroxyethyl group at position 6. Isolated from Aglaia silvestris, it exhibits antineoplastic activity.


A furanocoumarin that is 2,3-dihydrofuro[3,2-c]coumarin substituted by a hydroxy group at position 7, methyl groups at positions 2 and 3 (relatively trans configuration) and a 4,8-dimethyl-3(E)-7-nonadien-6-onyl moiety at position 2. Isolated from the roots of  Ferula fukanensis, it exhibits inhibitory effect on the production of nitric oxide (NO).


name: Hydroxylated N-acetyl desmethyl frovatriptan


toralactone

An organic heterotricyclic compound that is 9,10-dihydroxy-1H-benzo[g]isochromen-1-one substituted at positions 3 and 7 by methyl and methoxy groups respectively.


ketocytochalasin

A cytochalasan alkaloid found in Aspergillus clavatus.


A guaiane sesquiterpenoid isolated from Elephantopus mollis and has been shown to exhibit cytotoxic activity.


PISONIN E

A member of the class of chromones that is chromone substituted by a hydroxy group at position 5, a methyl group at position 2 and a methylenedioxy group across positions 6 and 7. It has been isolated from Pisonia aculeata.


aminoacridine

Acridines which are substituted in any position by one or more amino groups or substituted amino groups. Note that the term 'aminoacridine' is the International Prorietary Name (INN) for 9-aminoacridine.


velloquercetin

An extended flavonoid that consists of quercetin substituted by a 2-isopropenyldihydrofuran ring across positions 6 and 7.


3''-deoxy-6'-O-desmethylcandidusin B

A member of the class of dibenzofurans that is dibenzo[b,d]furan substituted by a 4-hydroxyphenyl group at position 3, hydroxy groups at positions 1, 7 and 8 and a methoxy group at position 4. It has been isolated from the culture of the mangrove endophytic fungus Penicillium chermesinum.


benzofuropyrimidine

An organic heterotricyclic compound in which pyrmidine is ortho-fused to a bicyclic benzofuran ring.


chlorpromazine N-oxide

An organochlorine compound that is chlorpromazine in which the acyclic tertiary amino group has been converted into the corresponding N-oxide.


chaetocyclinone C

A chromone with formula C32H24O14. It is produced by cultures of Chaetomium sp. Goe 100/2, which was isolated from marine algae.


RUBROFUSARIN B

A benzochromenone that is rubrofusarin in which the hydroxy group at position 6 has been converted to the corresponding methyl ether.


A member of the class of  dibenzofurans that is  dibenzofuran substituted by methoxy groups at positions 3, 4 and 7 and hydroxy groups at positions 2 and 8.


(R)-selisistat

A 6-chloro-2,3,4,9-tetrahydro-1H-carbazole-1-carboxamide that has R configuration. It is the inactive enantiomer.


CLEISTANTHIN

A member of the class of cleistanthins that is the 4-O-3,4-di-O-methyl-beta-D-xylopyranoside of 1,3-dihydronaphtho[2,3-c]furan-4-ol which is substituted by an oxo group at position 1, methoxy groups at positions 6 and 7, and a 1,3-benzodioxol-5-yl group at position 9. It is one of the toxic principles in Cleistanthus collinus.


naphthodithiin

An organic heterotricyclic compound whose skeleton contains a naphthalene fused with a dithiin.


fonsecin

A naphtho-gamma-pyrone that is 2,3-dihydro-4H-benzo[g]chromen-4-one bearing a methyl substituent at position 2, a methoxy substituent at position 6 and three hydroxy substituents at positions 2, 5 and 8.


BISTRATAMIDE I

A homodetic cyclic peptide that consists of L-valine and L-threonine as the amino acid residues. It is isolated from Lissoclinum bistratum and exhibits antitumour activity against the human colon tumour cell line.


lactucin 15-oxalate

A sesquiterpene lactone obtained by formal condensation of one of the carboxy groups of oxalic acid with the 15-hydroxy group of lactucin. Found in chicory.


A dibenzodioxocine that is the 1'-O-acetyl derivative of penicillide. It is isolated from Penicillium purpurogenum and acts as an acyl-CoA:cholesterol acyltransferase inhibitor.


A sesquiterpene lactone obtained by formal hydrogenation across the 11,13-double bond of 8-deoxylactucin. Found in chicory


NOTOAMIDE C

A notoamide that is 7,7-dimethyl-1,7-dihydropyrano[2,3-g]indol-2(3H)-one which is substituted at position 3 by 3-methylbut-1-en-3-yl and [(3S,8aS)-1,4-dioxooctahydropyrrolo[1,2-a]pyrazin-3-yl]methyl groups (the all-S stereoisomer). Isolated from a mussel-derived Aspergillus species.


PENIPANOID B

An alkaloid that is 3a,4-dihydroimidazo[1,5-a]quinazolin-5(3H)-one substituted by a 4-hydroxyphenyl group at position 3. It has been isolated from Penicillium paneum.


This is compound 6 in pmid:31045362