primary hyperoxaluria type 2

description: Primary hyperoxaluria (PH) type 2 is a rare disorder of glyoxylate metabolism caused by the deficiency of the enzyme glyoxylate reductase/hydropyruvate reductase (GR/HPR) characterized by a childhood onset with clinical manifestations that include recurrent nephrolithiasis, nephrocalcinosis and end-stage renal disease with subsequent systemic oxalosis.


A member of the class of piperidine in which the hydrogen attached to the nitrogen atom is substituted by a 2-hydroxyethyl group.


name: catenin alpha-2, initiator methionine removed form (human)

description: A catenin alpha-2 (human) that has had the initiator methionine removed. UniProtKB:P26232, 2-953.


name: catenin alpha-2, initiator methionine removed form

description: A catenin alpha-2 that has had the initiator methionine removed.


name: Differentiating Neuroblasts Under 5 Percent of the Tumor Cells

category: biolink:PhenotypicFeature biolink:DiseaseOrPhenotypicFeature biolink:BiologicalEntity biolink:ThingWithTaxon biolink:NamedThing


name: thymosin beta-10, initiator methionine removed form

description: A thymosin beta-10 that has had the initiator methionine removed.


name: Disseminated varicella zoster vaccine virus infection

category: biolink:Disease biolink:DiseaseOrPhenotypicFeature biolink:BiologicalEntity biolink:ThingWithTaxon biolink:NamedThing

description: A rare systemic and life-threatening infection associated with vaccination with the live attenuated strain of the Varicella-zoster virus, Oka.


name: serine/threonine-protein kinase 26 isoform 1 (mouse)

description: A serine/threonine-protein kinase 26 isoform 1 that is encoded in the genome of mouse.


name: STK26_MOUSE Serine/threonine-protein kinase 26 (sprot)

description: A serine/threonine-protein kinase 26 that is encoded in the genome of mouse.


protocadherin-15 isoform m10 (mouse)

A protocadherin-15 (mouse) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q99PJ1-10.


name: hydroxymethylglutaryl-CoA synthase, cytoplasmic isoform 1 (rat)

description: A hydroxymethylglutaryl-CoA synthase, cytoplasmic isoform 1 that is encoded in the genome of rat.


name: HMCS1_RAT Hydroxymethylglutaryl-CoA synthase, cytoplasmic (sprot)

description: A hydroxymethylglutaryl-CoA synthase, cytoplasmic that is encoded in the genome of rat.


name: neutral amino acid uniporter 4 methylated 1 (human)

description: A neutral amino acid uniporter 4 (human) that has been methylated on the residue at the position equivalent to Cys-498 of the amino acid sequence represented by UniProtKB:Q6YBV0-1. Example: UniProtKB:Q6YBV0-1, Cys-498, MOD:00660.


name: S36A4_HUMAN Neutral amino acid uniporter 4 (sprot)

description: A neutral amino acid uniporter 4 that is encoded in the genome of human.


name: neutral amino acid uniporter 4 isoform h1 (human)

description: A neutral amino acid uniporter 4 (human) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q6YBV0-1.


name: neutral amino acid uniporter 4 isoform h2 (human)

description: A neutral amino acid uniporter 4 (human) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q6YBV0-2.


name: INP5E_MOUSE Phosphatidylinositol polyphosphate 5-phosphatase type IV (sprot)

description: A phosphatidylinositol polyphosphate 5-phosphatase type IV that is encoded in the genome of mouse.


name: cyclic AMP-dependent transcription factor ATF-6 beta isoform h2 (human)

description: A cyclic AMP-dependent transcription factor ATF-6 beta (human) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q99941-1.


name: Rho GDP-dissociation inhibitor 2 deaminated 1 (human)

description: A Rho GDP-dissociation inhibitor 2 (human) that has been deaminated on the residue at the position equivalent to Asn-23 of the amino acid sequence represented by UniProtKB:P52566. UniProtKB:P52566, Asn-23, MOD:00684.


name: Kunitz trypsin inhibitor 4 isoform 1 (Arabidopsis thaliana)

description: A Kunitz trypsin inhibitor 4 (Arabidopsis thaliana) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q8RXD5-1.


name: Congenital and Hereditary Thrombocytopenia Purpura

description: Evidence of congenital and hereditary thrombocytopenia purpura.


name: tumor necrosis factor receptor superfamily member 3 cysteinylated 2 (human)

description: A tumor necrosis factor receptor superfamily member 3 (human) that has been cysteinylated on the residue at the position equivalent to Cys-116 of the amino acid sequence represented by UniProtKB:P36941-1. Example: UniProtKB:P36941-1, Cys-116, MOD:00765.


name: nuclear factor of activated T-cells, cytoplasmic 4 isoform h19 (human)

description: A nuclear factor of activated T-cells, cytoplasmic 4 (human) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q14934-19.


name: E3 SUMO-protein ligase RanBP2 glutathionylated 2 (human)

description: An E3 SUMO-protein ligase RanBP2 (human) that has been glutathionylated on the residue at the position equivalent to Cys-319 of the amino acid sequence represented by UniProtKB:P49792. UniProtKB:P49792, Cys-319, MOD:00234.


name: DeBakey Aortic Dissection Classification

description: The type of aortic dissection present as defined by the DeBakey Classification System (DeBakey ME, Henly WS, Cooley DA, Morris GC Jr, Crawford ES, Beall AC Jr. Surgical management of dissecting aneurysms of the aorta. J Thorac Cardiovasc Surg 1965;49:130-149).


name: T163A_DANRE Transmembrane protein 163a (sprot)

description: A protein that is a translation product of the tmem163a gene in zebrafish.


name: EGFR adapter protein isoform B (fruit fly)

description: An EGFR adapter protein (fruit fly) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q6NR09-2.


Gonadal Myoid Stromal Tumor

description: A rare, benign, well-circumscribed tumor that arises from the testis. It is characterized by the presence of fascicles of spindle cells showing muscle cell differentiation. It lacks sex cord differentiation.


tuberculosis, bovine

description: An infection of cattle caused by mycobacterium bovis. It is transmissible to man and other animals.


name: ALK tyrosine kinase receptor sequence variant G881D, signal peptide removed form (human)

description: An ALK tyrosine kinase receptor (human) that has an Asp residue at the position equivalent to Gly-881 of the amino acid sequence represented by UniProtKB:Q9UM73 and that has had the signal peptide removed. UniProtKB:Q9UM73, 19-1620, Gly-881, CHEBI:29958.


name: Y9871_DICDI Probable serine/threonine-protein kinase DDB_G0271682 (sprot)

description: A protein that is a translation product of the DDB_G0271682 gene in Dictyostelium discoideum.


Oligometastatic malignant neoplasm

description: A finding of a malignant solid neoplasm that has metastasized to a limited number of sites-existing in a state intermediate between localized disease and widespread metastatic disease.


name: microtubule-actin cross-linking factor 1 hydroxylated 1 (human)

description: A microtubule-actin cross-linking factor 1 (human) that has been hydroxylated on the residue at the position equivalent to Trp-316 of the amino acid sequence represented by UniProtKB:Q9UPN3-1. Example: UniProtKB:Q9UPN3-1, Trp-316, MOD:01622.


afadin isoform m3 (mouse)

An afadin (mouse) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q9QZQ1-3.


ZN767_HUMAN Protein ZNF767 (sprot)

A protein ZNF767 that is encoded in the genome of human.


name: DNA repair RAD52-like protein 1, mitochondrial isoform 1 (Arabidopsis thaliana)

description: A DNA repair RAD52-like protein 1, mitochondrial (Arabidopsis thaliana) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q9FVV7-1.


name: methyltransferase-like protein 25B isoform 1 (human)

description: A methyltransferase-like protein 25B isoform 1 that is encoded in the genome of human.


name: MT25B_HUMAN Methyltransferase-like protein 25B (sprot)

description: A methyltransferase-like protein 25B that is encoded in the genome of human.


name: methyltransferase-like protein 25B isoform h2 (human)

description: A methyltransferase-like protein 25B (human) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q96FB5-2.


name: eukaryotic translation initiation factor 3 subunit A, initiator methionine removed form

description: A eukaryotic translation initiation factor 3 subunit A that has had the initiator methionine removed.


1-alkyl-sn-glycero-3-phosphate in which the alkyl substituent can be any alk-1-enyl group.


A 1-(alk-1-enyl)-sn-glycero-3-phosphate in which the alkenyl group is specified as 1Z-octadecenyl.


name: hereditary hypotrichosis with recurrent skin vesicles

description: Hereditary hypotrichosis with recurrent skin vesicles is a very rare inherited hair loss disorder described in a family and characterized by sparse, fragile or absent hair on the scalp, eyebrows, eyelashes, axillae and rest of the body, associated with vesicle formation on various parts of the scalp and body which regularly burst and release watery fluid.


name: Q5U2N1_RAT Wolf-Hirschhorn syndrome candidate 2 (Human) (trembl)

description: A negative elongation factor A that is encoded in the genome of rat.


name: voltage-gated potassium channel subunit beta-2 phosphorylated 1 (human)

description: A voltage-gated potassium channel subunit beta-2 (human) that has been phosphorylated on the residue at the position equivalent to Ser-266 of the amino acid sequence represented by UniProtKB:Q13303-1. Example: UniProtKB:Q13303-1, Ser-266, MOD:00046.


name: ribosomal oxygenase 2 methylated 1 (human)

description: A ribosomal oxygenase 2 (human) that has been methylated on the residue at the position equivalent to Cys-156 of the amino acid sequence represented by UniProtKB:Q8IUF8-1. Example: UniProtKB:Q8IUF8-1, Cys-156, MOD:00660.


name: rhomboid-related protein 1 isoform 2 (human)

description: A rhomboid-related protein 1 isoform 2 that is encoded in the genome of human.


name: EGFL8_RAT Epidermal growth factor-like protein 8 (sprot)

description: An epidermal growth factor-like protein 8 that is encoded in the genome of rat.


name: epidermal growth factor-like protein 8 isoform r1 (rat)

description: An epidermal growth factor-like protein 8 (rat) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q6MG84-1.


name: epidermal growth factor-like protein 8 isoform r2 (rat)

description: An epidermal growth factor-like protein 8 (rat) that is a translation product of some mRNA whose exon structure and start site selection renders it capable of giving rise to a protein with the amino acid sequence represented by UniProtKB:Q6MG84-2.


acquired lactic acidosis

description: An instance of lactic acidosis that is acquired during the lifetime of the individual.


isoprenoid

Any lipid formally derived from isoprene (2-methylbuta-1,3-diene), the skeleton of which can generally be discerned in repeated occurrence in the molecule. The skeleton of isoprenoids may differ from strict additivity of isoprene units by loss or shift of a fragment, commonly a methyl group. The class includes both hydrocarbons and oxygenated derivatives.


BEVIRIMAT

A pentacyclic triterpenoid obtained by the formal condensation of 2,2-dimethylsuccinic acid with the 3-hydroxy group of betulinic acid. It is isolated from the Chinese herb Syzygium claviflorum. The first in the class of HIV-1 maturation inhibitors to be studied in humans, bevirimat was identified as a potent HIV drug candidate and several clinical trials were conducted, but development into a new drug was plagued by numerous resistance-related problems.


discodiene

A C12 trisnorsesquiterpene.


A 3beta-hydroxy-4alpha-formyl-4beta-methylsteroid that is 24-methylene-9beta-9,19-cyclolanostane-3beta,28-diol in which the hydroxy group at position 28 has been oxidised to give the corresponding aldehyde.


all-trans-undecaprenol

A long-chain primary fatty alcohol that is the all-trans-isomer of undecaprenol.


GERMANICOL

A pentacyclic triterpenoid that is oleanane substituted by a hydroxy group at the 3beta-position and with a double bond between positioins 18 and 19.


FLAVALIN A

A  sesquiterpenoid of the class of nardosinane-type terpenoids isolated from the Formosan soft coral Lemnalia flava, and has been shown to exhibit neuroprotective activity.


(S)-citronellic acid

A citronellic acid that has (S)-configuration.


CHASMANINE

A diterpene alkaloid with formula C25H41NO6 that is isolated from several Aconitum species.


triptoditerpenic acid B

A tricyclic diterpenoid with formula C21H28O3, originally isolated from Tripterygium hypoglaucum.


albiflorin

A monoterpene glycoside with formula C23H28O11, originally isolated from the roots of Paeonia lactiflora.


triptonoterpene

An abietane diterpenoid that is abieta-8(14),9(11),12-triene substituted at positions 3 and 14 respectively by oxo and hydroxy groups. It is found in Tripterygium wilfordii.


BERKELEYDIONE

A meroterpenoid found in Penicillium rubrum. It has been shown to exhibit inhibitory activity against caspase-1.


glycyrrhetaldehyde

A pentacyclic triterpenoid that is beta-amyrin carrying two oxo substituents at positions 11 and 30.


A monoterpene that is bicyclo[4.1.0]hept-2-ene substituted by methyl groups at positions 4, 7 and 7 respectively (the 1R,4S,6S-stereoisomer).


An iridoid monoterpenoid that is the methyl ester of 7-deoxyloganetic acid.


triptriolide

An abietane diterpenoid with formula C20H26O7, originally isolated from Tripterygium wilfordii.


BIXIN

A carotenoic acid that is the 6'-monomethyl ester of 9'-cis-6,6'-diapocarotene-6,6'-dioic acid.


sesterterpene

A C25 terpene.


(-)-beta-santalene

A sesquiterpene and carbobicyclic compound that is bicyclo[2.2.1]heptane in which the hydrogens at position 3 are substituted by a methylidene group, while the 2-exo- and 2-endo- hydrogens are subsitituted by 2-methylpent-2-en-5-yl and methyl groups, respectively (the 1S,2R,4R enantiomer).


senegasaponin a

A triterpenoid saponin isolated from Polygala senega var latifolia and has been shown to exhibit hypoglycemic activity.


The (1R,6S)-stereoisomer of cis-alpha-himachalene.


A sesquiterpenoid that is zerumbone substituted by a hydroxy group at position 5. Isolated from the rhizomes Zingiber zerumbet, it has been found to inhibit lipopolysaccharide-induced nitric oxide production.


AJUGACILIATIN J

A diterpene lactone isolated from the whole plant Ajuga ciliata.


A chiral monoterpene consisting of cyclohexene having isopropyl and methyl substitents at the 3- and 6-positions respectively.


A polyprenyl glycosyl phosphate consisting of a N-acetyl-D-fucosaminyl residue attached to undecaprenyl diphosphate via a glycosyl diphosphate linkage.


A retinoid that is all-trans-retinal carrying an oxo substituent at position 4 on the cyclohexenyl ring.


DYSOLENTICIN F

A tetracyclic triterpenoid found in Dysoxylum lenticellatum.


trichagmalin A

A limonoid with a phragmalin skeleton isolated from the leaves of Trichilia connaroides.


neurolenin A

A germacranolide isolated from Neurolaena lobata and Austroeupatorium inulifolium and has been shown to exhibit antimalarial activity.


cembrane

A 14-membered macrocyclic diterpene carrying an isopropyl group at C-1 and three symmetrically disposed methyl groups at C-4, -8 and -12.


A cembrane diterpenoid isolated from the leaves of Croton gratissimus.


BETA-NOOTKATOL

A 4,4a-dimethyl-6-(prop-1-en-2-yl)-2,3,4,4a,5,6,7,8-octahydronaphthalen-2-ol with (2S,4R,4aS,6R) stereochemistry.


(+)-kolavelool

A member of the class of octahydronaphthalenes that is 1,2,3,4,4a,7,8,8a-octahydronaphthalene which is substituted at position 1 by a 3-hydroxy-3-methylpent-1-en-5-yl group and a methyl group, and by further methyl groups at positions 2, 4, and 5 (the 1R,2S,4aS,8aS stereoisomer; the stereochemistry at the tertiary alcohol was not determined).


DEACETYLGEDUNIN

A limonoid that is the 7-deacetyl derivative of gedunin. It has been isolated from Azadirachta indica.


A quassinoid that is the 3,15-di-O-propionyl derivative of bruceolide. It has been isolated from  Brucea javanica and Brucea sumatrana.


TAXUSIN

A taxane diterpenoid that is taxa-4(20),11-diene in which the 5alpha, 9alpha, 10beta and 13alpha hydrogens have been replaced by acetoxy groups. It is a prominent secondary metabolite of yew heartwood.


A vetispirane sesquiterpenoid that is  lubimin substituted by a hydroxy group at position 3.


Any cucurbitacin whose C(23)-C(24) double bond has been reduced.


SALZMANNIANOSIDE A

A triterpenoid saponin that consists of gypsogenin attached to a alpha-L-rhamnopyranosyl-(1->2)-[beta-D-glucopyranosyl-(1->4)]-alpha-L-arabinopyranosyl] residue at position 3 via a glycosidic linkage. Isolated from Serjania salzmanniana, it exhibits antifungal and molluscicidal activities.


neoabietadiene

An abietadiene in which the two double bonds are located at the 8(14)- and 13(15)-positions.


A triterpene glycoside that consists of 25-O-methoxycimigenol attached to a alpha-L-arabinopyranosyl residue at position 3 via a glycosidic linkage. Isolated from the rhizomes of Cimicifuga racemosa, it exhibits cytotoxic activities.


GRAYANOTOXIN I

A tetracyclic diterpenoid that is grayanotoxane in which the pro-R hydrogen at position 14 is substituted by an acetoxy group and in which the 3beta-, 5-, 6beta-, 10-, and 16- positions are substituted by hydroxy groups.


combretanone D

A pentacyclic triterpenoid that is 9beta,19-cyclolanost-24-ene substituted by an oxo group at position 3 and hydroxy groups at positions 7 and 23. It has been isolated from the leaves of Combretum quadrangulare.


GIBBERELLIN A3

A C19-gibberellin that is a pentacyclic diterpenoid responsible for promoting growth and elongation of cells in plants.  Initially identified in Gibberella fujikuroi,it differs from gibberellin A1 in the presence of a double bond between C-3 and C-4.


A diterpenoid obtained by hydroxylation of one of the terminal methyl groups of (2E,6E,10E)-geranylgeranic acid.


allokutznerene

A diterpene produced by a bacterial diterpene synthase from Allokutzneria albata.


A pentacyclic triterpenoid that is lup-20(29)-ene substituted by hydroxy groups at positions 1 and 3 respectively (the 1beta,3beta-stereoisomer). It has been isolated from Breynia fruticosa.


An acyclic psi,psi-carotene having cis double bonds at C-7, -7', -9 and -9'.


ABRUSOSIDE A

A triterpenoid saponin that is (22S,24Z)-3beta-hydroxy-26-oxo-22,26-epoxy-9beta,19-cyclolanost-24-en-28-oic acid having a beta-D-glucosyl residue attached at position 3 via a glycosidic bond.


name: 9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid ethyl ester


GINSENOSIDE RB3

A ginsenoside found in Panax species that is dammarane which is substituted by hydroxy groups at the 3beta, 12beta and 20 pro-S positions, in which the hydroxy groups at positions 3 and 20 have been converted to the corresponding beta-D-glucopyranosyl-(1->2)-beta-D-glucopyranoside and beta-D-xylopyranosyl-(1->6)-beta-D-glucopyranoside respectively, and in which a double bond has been introduced at the 24-25 position.


neryl diphosphate

A polyprenol diphosphate having neryl as the polyprenyl component.


HORMINONE

An abietane diterpenoid that is abieta-8,12-diene substituted by hydroxy groups at positions 7 and 12 and oxo groups at positions 11 and 14 (the 7alpha stereoisomer) .


lupulin A

A  diterpenoid isolated from Ajuga lupulina and has been shown to exhibit anti-inflammatory and antibacterial activities.


7-deoxyloganetic acid

An iridoid monoterpenoid that is 1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylic acid substituted at positions 1 and 7 by hydroxy and methyl groups respectively; the aglycone of 7-deoxyloganic acid.


DYSOLENTICIN D

A  tirucallane  triterpenoid isolated from Dysoxylum lenticellatum.


artemisinic aldehyde

A sesquiterpenoid aldehyde, an intermedediate in the biosynthesis of artemisinin from artemisinic alcohol in Artemisia annua.


CABRALEONE

A  tetracyclic triterpenoid isolated from Aglaia foveolata and Aglaia abbreviata.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man1GlcNAc2 linear trisaccharide beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


AJUGAPANTIN A

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


subrutilene D

A sesterterpene produced in the bacterium Streptomyces subrutilus.


SPATHULENOL

A tricyclic sesquiterpenoid that is 4-methylidenedecahydro-1H-cyclopropa[e]azulene carrying three methyl substituents at positions 1, 1 and 7 as well as a hydroxy substituent at position 7.


APLYSINOPLIDE A

A sesterterpenoid isolated from the marine sponge Aplysinopsis digitata that exhibits cytotoxicity against P388 mouse leukemia cells.


thaliandiol

A tricyclic triterpenoid obtained by monohydroxylation of thalianol using thalianol hydroxylase. The exact position and stereochemistry of the additional hydroxy group has not been established but GC-MS ionisation data suggest that the hydroxylation takes place at one of four available carbons in rings B or C (denoted by R groups in the diagram).


delta-amyrin

A pentacyclic triterpenoid that is oleanane which has a double bond between positions 13 and 18, and in which the hydrogen at the 3beta position is replaced by a hydroxy group.


(+)-isoafricanol

A tricyclic sesquiterpene with formula C15H26O, that is isolated from Streptomyces violaceusniger, S. malaysiensis and Leptographium lundbergii.


FATSICARPAIN D

A pentacyclic triterpenoid that is oleana-9(11),12-diene substituted by an alpha-hydroxy group at position 3 and a carboxy group at position 28. Isolated from the leaves and twigs of Fatsia polycarpa, it exhibits anti-HBV activity.


RUBIARBONOL A

A pentacyclic triterpenoid of the class of arborinane-type terpenoids isolated from the roots of Rubia yunnanensis.


alpha-farnesene

A farnesene that is 1,3,6,10-tetraene substituted by methyl groups at positions 3, 7 and 11 respectively.


ginsenoside C-K

A ginsenoside found in Panax species that is dammarane which is substituted by hydroxy groups at the 3beta, 12beta and 20 pro-S positions, in which the hydroxy group at position 20 has been converted to the corresponding beta-D-glucopyranoside, and in which a double bond has been introduced at the 24-25 position.


cornusalterin H

A tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S)-lanosta-7,24-diene substituted by an oxo group at position 3 and a methoxy group at position 23 (the 23S stereoisomer). It has been isolated from the stem and stem barks of Cornus walteri.


A cholestanoid that is 5alpha-cholesta-8,14-dien-3beta-ol bearing two additional methyl substituents at position 4.


wilforine

An organic heteropentacyclic compound and pyridine alkaloid with formula C43H49NO18 originally isolated from the roots of Tripterygium wilfordii.


(-)-CITRONELLAL

The (3S)-stereoisomer of 3,7-dimethyloct-6-enal (citronellal).


1-deoxy-11-oxopentalenic acid

A tricyclic sesquiterpenoid that is pentalenene in which the 13-methyl group is oxidsed to the carboxylic acid and a keto group is located at position 11.


An apo carotenoid sesquiterpenoid compound arising from oxidative degradation of the beta,beta-carotene skeleton at the 4'- and 15-positions.


michaolide G

A cembrane diterpenoid with cytotoxic activity isolated from the soft coral Lobophytum michaelae.


A tetracyclic triterpenoid that is lanosta-9(11),24-diene substituted by an oxo group at position 3. It has been isolated from the roots of Rubia yunnanensis.


A carotenoid ether that is (3E,3'E)-1,1'-dihydroxy-3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-psi,psi-carotene-2-one in which both hydroxyl hydrogens are substituted by methyl groups.


chloroxanthin

A carotenol obtained by formal hydration across the double bonds at position 1 of neurosporene.


trachelosperogenin B

A pentacyclic triterpenoid that is urs-12-ene carrying a carboxy substituent at position 28 as well as five hydroxy substituents at positions 2, 3, 19, 23 and 24 (the 2alpha,3beta stereoisomer).


A  hopanoid that is hopan-27-al substituted by hydroxy groups at positions 6, 11 and 22 (the 6beta,11alpha-stereoisomer). It has been isolated from Conoideocrella tenuis.


name: 4'-O-beta-D-Glucose piericidin A 10-O-alpha-D-glucose (1->6)-beta-D-glucoside


An isomer of selinene where the double bond in the octahydronaphthalene ring system is endocyclic with (2S,4aR,8aR)-configuration.


rotundifolioside A

A  triterpenoid saponin that consists of urs-11-ene substituted by an epoxy group across positions 13 and 28, a hydroxy group at position 16 and a beta-D-xylopyranosyl-(1->2)-beta-D-glucopyranosyl-(1->2)-beta-D-glucopyranosyloxy group at position 3 (the 3beta,16alpha stereoisomer). Isolated from the fruits of Bupleurum rotundifolium, it exhibits antiproliferative activity against cancer cells.


ent-manool

A labdane diterpenoid in which the labdane skeleton has double bonds at positions 8(17) and 14 and carries an S-hydroxy group at position 13.


A monoterpenoid that is geranial bearing a hydroxy substituent at position 8.


nonaprenol

Any polyprenol composed of at least nine isoprene units.


A fourteen-membered macrocyclic diterpene consisting of 1,5,9-trimethyl-12-(prop-1-en-2-yl)cyclotetradecane having three endocyclic double bonds located at positions 1, 5 and 9.


alpha-thujene

A thujene that has a bicyclo[3.1.0]hex-2-ene skeleton which is substituted at positions 2 and 5 by methyl and isopropyl groups, respectively.


AJUGACILIATIN A

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


A diterpenoid that is ent-cassa-12,15-diene in which the methylene hydrogens at position 2 have been replaced by a keto group.


attenoside

An acyclic diterpene glycoside consisting of a 20-hydroxygeranyllinalool skeleton conjugated to two disaccharide units at C-3 and C-20.


A polyprenyl phospho oligosaccharide consisting of undecaprenyl diphosphate and 2,3-diacetamido-2,3-dideoxy-beta-D-mannosyl-(1->3)-N-acetyl-D-fucosamine components connected by a glycosyl diphosphate linkage.


A bicyclic diterpene natural product from Streptomyces collinus.


all-trans-4,16-dihydroxyretinoic acid

A retinoid that consists of all-trans-retinoic acid bearing two hydroxy substituents at positions 4 and 16.


spheroidene

The cartenoid ether that is the methyl ether of 3,4-didehydro-1,2,7',8'-tetrahydro-psi,psi-caroten-1-ol.


DISOGLUSIDE

A sterol 3-beta-D-glucoside having diosgenin as the sterol component.


saikosaponin

An oleanane type triterpenoid saponin.


rhodopin

A carotenol having the structure of 1,2-dihydro-psi,psi-carotene with a hydroxy function at C-1.


juvenile hormone I

A member of the juvenile hormone family of compounds that is the methyl ester of methyl (2E,6E,10R,11S)-10,11-epoxy-7-ethyl-3,11-dimethyl-2,6-tridecanoic acid.


neojiangyouaconitine

A diterpene alkaloid with formula C33H47NO9, originally isolated from Aconitum carmichaeli.


methyl farnesoate

A member of the juvenile hormone family of compounds that is the methyl ester of farnesoic acid. Found in several species of crustaceans.


A diterpenoid that is multicaulin in which the methoxy group at position 12 is replaced by a hydroxy group. A norabietane derivative, it is isolated from the roots of Salvia multicaulis and exhibits antitubercular activity.


meso-zeaxanthin

A carotenol that is beta,beta-carotene carrying two hydroxy substituents at positions 3 and 3' (the 3R,3'S-diastereomer). It is rarely found in diet and is believed to be formed at the macula by metabolic transformations of ingested carotenoids.


AJUGATAKASIN A

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


geranylgeranyl diphosphate

A polyprenol diphosphate having geranylgeranyl as the polyprenyl component.


alpha-cadinol

A cadinane sesquiterpenoid that is cadin-4-ene carrying a hydroxy substituent at position 10.


A triterpenoid saponin of the class of cucurbitane glycosides isolated from the roots of Machilus yaoshansis. It has been shown to exhibit inhibitory activity against  protein tyrosine phosphatase.


(+)-(7S)-sydonic acid

A  sesquiterpenoid that is benzoic acid substituted by a hydroxy group at position 3 and a (2S)-2-hydroxy-6-methylheptan-2-yl group at position 4. It has been isolated from the sea fan derived fungus Aspergillus sydowii.


DYSOLENTICIN B

A  tirucallane triterpenoid  isolated from Dysoxylum lenticellatum.


A polyprenyl phospho oligosaccharide consisting of undecaprenyl diphosphate and alpha-D-rhamnosyl-(1->4)-N-acetyl-D-glucosamine components connected by a glycosyl diphosphate linkage.


lactinolide

A monoterpenoid that is hexahydro-1-benzofuran-2-one carrying two methyl substituents at positions 3 and 6 as well as two hydroxy substituents at positions 5 and 6 (the 3R,3aR,5S,6S,7aR-diastereomer).


deoxyflindissone

A tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S,23R)-21,23-epoxylanosta-7,24-diene substituted by an oxo group at position 3. It has been isolated from the stem and stem barks of Cornus walteri.


(Z,S)-jasmolone

A beta-hydroxy ketone that is (ZZ,S)-cinerolone in which the (2Z)-but-2-en-1-yl substituent has been replaced by a (2Z)-pent-2-en-1-yl group.


gibberellin A51-catabolite

A tetracyclic diterpenoid obtained by catabolism of gibberellin A51.


achilleol B

A tricyclic triterpenoid formed probably by cyclisation of (3S)-2,3-epoxy-2,3-dihydrosqualene to form an olean-13-yl cation with subsequent cleavage of the 8-14 and 9-10 bonds.


triptohypol E

A pentacyclic diterpenoid with formula C31H52O2, originally isolated from the root bark of Tripterygium hypoglaucum.


A 7-isopropyl-4-methyloxepan-2-one that has 4R,7S configuration.


forskoditerpenoside C

A diterpene glycoside that is labd-14-en-11-one substituted by beta-acetoxy group at position 6, an epoxy group between positions 8 and 13, a beta-hydroxy group at position 7 and a beta-D-glucopyranosyloxy group at position 1 (the 1alpha stereoisomer). Isolated from the whole plant of Coleus forskohlii, it shows relaxative effects on isolated guinea pig tracheal spirals in vitro.


cornusalterin L

A  tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S,23S)-21,23-epoxylanosta-7,24-diene substituted by an oxo group at position 3. It has been isolated from the stem and stem barks of Cornus walteri.


name: 1-hydroxy-7-(hydroxymethyl)-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-4-carboxylic acid methyl ester


A monoterpene that is cyclohexene carrying methyl and isopropyl substituents at positions 1 and 4 respectively.


FRIEDELINE

A pentacyclic triterpenoid that is perhydropicene which is substituted by an oxo group at position 3 and by methyl groups at the 4, 4a, 6b, 8a, 11, 11, 12b, and 14a-positions (the 4R,4aS,6aS,6bR,8aR,12aR,12bS,14aS,14bS-enantiomer). It is the major triterpenoid constituent of cork.


An apo carotenoid triterpenoid that is tetracosane which is substituted by methyl groups at positions 2, 6, 10, 15, 19, and 23, and contains double bonds at the 2-3 and 22-23 positions, and E-double bonds at the 4-5, 6-7, 8-9, 10-11, 12-13, 14-15, 16-17, and 18-19 positions. It is a yellow carotenoid pigment of Staphylococcus aureus.


(S)-2-trans-abscisic acid

A 2-trans-abscisic acid with (S)-configuration at the chiral centre.


A sesquiterpene lactone that is isosecotanapartholide in which the hydroxy group at position 3 is replaced by a methoxy group. Isolated from Artemisia iwayomogi and Tanacetum cilicicum, it acts as an inhibitor of nitric oxide synthase.


QUADRANOSIDE IV

A triterpenoid saponin that is the carboxylic ester obtained by the formal condensation of the carboxy group of asiatic acid with beta,23alpha-trihydroxyurs-12-en-28-oic acid 28-O-beta-D-glucopyranose. It has been isolated from Juglans sinensis.


VIBSANIN B

A vibsane diterpenoid that is (2Z,6E,10E)-cycloundeca-2,6,10-trien-1-one which is substituted at positions 2, 5, 5, 8, 9, and 9 by hydroxymethyl, methyl, 2-methylpent-2-en-5-yl, 3-methylbut-2-enoyloxy, hydroxy, and methyl groups, respectively (the 5S,8R,9R stereoisomer). It has been found to inhibit root growth in rice seedlings (IC50 0.14 mM).


PORICOIC ACID H

A tricyclic triterpenoid isolated from Poria cocos.


A diterpenoid that is ent-cassa-12,15-diene in which the hydrogen at position 2beta has been replaced by a hydroxy group.


fukanemarin B

A hydroxycoumarin that is 4-hydroxycoumarin substituted by a methoxy group ar position 7 and a 1,2,6-trimethyl-7-(4-methyl-2-furyl)-hepta-2(E),5(E)-dienyl moiety at position 3. Isolated from the roots of Ferula fukanensis, it inhibits production of nitric oxide (NO).


1-EPITATRIDIN B

A germacrane sesquiterpenoid found Tanacetum vulgare that is tatridin A in which the double bond at position 9-10 has migrated to position 10-14 and in which the hydroxy group at position 1 has epimerised from alpha- to beta-.


A  pentacyclic triterpenoid that is olean-12-en-28-oic acid substituted by hydroxy groups at positions 2, 3 and 23 respectively (the 2alpha,3alpha-stereoisomer). It has been isolated from the leaves of Rosa laevigata.


trans-isogeraniol

An isogeraniol that has (E)-configuration.


SMENOSPONGINE C

A  sesquiterpenoid isolated from the marine sponge Dactylospongia elegans.


A hopanoid that consists of bacteriohopane-32,33,34,35-tetrol carrying an additional methyl substituent at the 2beta-position.


GANODERONE C

A tetracyclic triterpenoid that is 5alpha-lanosta-8-ene with an epoxy group across positions 24 and 25, a hydroxy group at position 26 and oxo groups at positions 3 and 7. Isolated from the fruiting bodies of Ganoderma pfeifferi, it exhibits antiviral activity against influenza A virus.


callophycoic acid G

A monohydroxybenzoic acid that is 4-hydroxybenzoic acid substituted at position 3 by a decahydronaphthalen-1-ylmethyl group which in turn is substituted by a bromo, two methyl groups, a methylidene and a 4-methylpent-3-en-1-yl group at positions 6, 5, 8a, 2 and 5 respectively. A diterpenoid isolated from the Fijian red alga Callophycus serratus, it exhibits antibacterial, antimalarial and anticancer activities.


gibberellin A4

A C19-gibberellin, initially identified in Gibberella fujikuroi and differing from gibberellin A1 by the substitution of the OH at C-7 (gibbane numbering) by H.


limonoid

Any triterpenoid that is highly oxygenated and has a prototypical structure either containing or derived from a precursor with a 4,4,8-trimethyl-17-furanylsteroid skeleton. The term 'limonoid' comes from limonin, the first tetranortriterpenoid obtained from citrus bitter principles.


bromophycolide A

A diterpenoid that is a macrolide isolated from the Fijian red alga Callophycus serratus. It has been found to exhibit moderate cytotoxicity against several human tumour cell lines via specific apotopic cell death. It also displays anti-HIV, antibacterial, antifungal and antimalarial activity.


(-)-retigeranin B

A sesterterpene produced by a sesterterpene synthase gene identified in the plant Arabidopsis thaliana.


rhizathalene A

A carbotricyclic compound and diterpene that is 1',2',3',3a',5',6',7',7a'-octahydrospiro[cyclohex-3-ene-1,4'-indene] which is substituted by methyl groups at the 4, 5', and 7a' positions, and by an isopropenyl group at the 3' position. It is produced in the stele of Arabidopsis roots and contributes to the direct defense against root herbivores.


cis-sesquisabinene hydrate

A sesquiterpenoid that is bicyclo[3.1.0]hexane substituted by a methyl and hydroxy group at position 3 and a 2-methylhept-2-en-6-yl group at position 4.


TRICHOTHECIN

A trichothecene mycototoxin isolated from the endophytic fungus Trichothecium sp. and it exhibits anti-cancer properties.


ballodiolic acid

A diterpenoid that is 3,4,4a,5,6,7,8,8a-octahydronaphthalene-1-carboxylic acid substituted by methyl groups at positions 5, 6 and 8a and a 5-hydroxy-3-(hydroxymethyl)pentyl group at position 5 (the 4aR,5S,6R,8aR stereoisomer). It is isolated from the whole plant of Ballota limbata (Syn.Otostegia limbata) and acts as a lipoxygenase inhibitor.


A beta-carotene carrying one additional hydroxy substituent at position 4.


INUMAKILACTONE

A  diterpene lactone isolated from Podocarpus latifolius and has been shown to exhibit inhibitory activity against activator protein 1 (AP-1).


A polyprenyl glucosyl phosphate in which an alpha-D-galactosyl residue is linked to a undecaprenyl group via a diphospho group.


debromolaurinterol

A sesquiterpenoid that is laurinterol in which the bromo group has been replaced by a hydrogen. Isolated from Laurencia intermedia and Aplysia kurodai, it exhibits antimicrobial activity.


fusoxypene C

A tricyclic sesterterpene derivative.


A diterpene that is produced by a diterpene synthase from Cephalotaxus sinensis.


A taxane diterpenoid that is taxane which contains double bounds at the 4-20 and 11-12 positions and which is substituted by hydroxy groups at the 5alpha and 13alpha positions.


A scalarane sesterterpenoid isolated from the marine sponge Hyrtios erectus that exhibits antineoplastic activity.


oleoside 11-methyl ester

A secoiridoid glycoside that is [(2R,3E,4S)-3-ethylidene-2-hydroxy-5-(methoxycarbonyl)-3,4-dihydro-2H-pyran-4-yl]acetic acid in which the anometric hydroxy group has been converted to the corresponding beta-D-glucoside. It has been isolated from several plant species including Olea europaea.


A  diterpenoid isolated from the aerial parts of Ajuga bracteosa and has been shown to exhibit antifeedant activity.


(2R,5S)-linalyl oxide

A monoterpenoid that is 2-(2-hydroxypropan-2-yl)oxolane carying additional methyl and vinyl substituents both located at position 5 (the 2R,5S-diastereomer).


A  tetracyclic triterpenoid found in Dysoxylum lenticellatum.


ainsliadimer A

A sesquiterpene lactone isolated from the whole plants of Ainsliaea macrocephala; exhibits inhibitory activity against production of nitric oxide (NO).


(-)-eremophilene

A member of the classs of octahydronaphthalenes and a sesquiterpene that is 1,2,3,4,4a,5,6,7-octahydronaphthalene which is substituted by an isopropenyl group at position 3 and by methyl groups at positions 4a and 5 (the 3R,4aR,5S- diastereoisomer).


taraxastane

A triterpene resulting from the migration of a methyl group in ring E of the oleanane precursor. It is a stereoisomer of the triterpene ursane (18alpha,19alpha,20beta-ursane).


adenosylhopane

A bacterial hopanoid obtained by addition of an adenosyl group across the double bond of hopene.


AJUGAMARIN G1

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


A triterpenoid saponin of the class of cucurbitane glycosides isolated from the roots of Machilus yaoshansis. It has been shown to exhibit inhibitory activity against protein tyrosine phosphatase.


azadirachtin

A family of terpenoids isolated from the neem tree (Azadirachta indica).


neral

An enal that is 3,7-dimethyloctanal with unsaturation at positions C-2 and C-6. It has been isolated form the essential oils of plant species like lemon.


OCOTILLONE

A tetracyclic triterpenoid isolated from Aglaia abbreviata.


gibberellin A110

A C20-gibberellin that is gibberellin A12 carrying an additional hydroxy substituent at the 3beta-position


(Z)-beta-ocimene

A beta-ocimene that consists of octa-1,3,6-triene bearing two methyl substituents at positions 3 and 7 (the 3Z-isomer).


2,3-didehydro-gibberellin A9

A C19-gibberellin obtained by formal dehydrogenation across the 2,3-position of gibberellin A9.


(-)-α-thujone

The (1S,4R,5R)-stereoisomer of alpha-thujone.


A carbotricyclic compound that is 1,5-dihydro-2H-2,4a-methanonaphthalene carrying four methyl groups at positions 1,1,5, and 5.


AJUGATAKASIN B

A diterpene lactone isolated from the whole plants of Ajuga ciliata that is ajugatakasin A in which both of the 2-methylbutenoate ester goups have been hydrogenated to the corresponding 2-methylbutanoates.


all-trans-octaprenyl diphosphate

An all-trans-polyprenyl diphosphate composed from eight isoprenyl units.


all-trans-tridecaprenyl diphosphate

An all-trans-polyprenyl diphosphate composed from thirteen isoprenyl units.


zeorin

A  hopanoid that is hopane substituted by hydroxy groups at positions 6 and 22 (the (6alpha)-stereoisomer). It has been isolated from the fungi Aschersonia and Hypocrella.


KADLONGILACTONE A

A hexacyclic triterpenoid isolated from the leaves and stems of Kadsura longipedunculata and has been found to exhibit cytotoxicity aganist human tumour cells.


name: 13-Hydroxypiericidin A 10-O-alpha-D-galactose (1->6)-beta-D-glucoside


A pimarane diterpenoid that is pimarane which has been dehyrogenated to introduce double bonds at positions 7-8 and 15-16, which has a beta-hydrogen in place of an alpha-hydrogen at position 9, and in which one of the hydrogens of the beta-methyl group at position 4 has been replaced by a hydroxy group.


LINALOOL (+)

The (R)-enantiomer of linalool.


An acyl derivative of phosphatidic acid whose phosphorus acid component is esterified with an N-(2-hydroxyethyl)dihydropyridine bisretinoid


lansic acid 3-ethyl ester

A triterpenoid that is the 3-ethyl ester of lansic acid. It has been isolated from the twigs of Lansium domesticum.


A monoterpene consisting of methylenecyclohexane having an isopropyl substituent at the 4-position.


A labdane diterpenoid resulting from the formal dehydration of the allylic hydroxy group of peregrinol.


fusaproliferene

A sesterterpene that is produced by the fungal chimeric terpene synthase, PTTS036.


name: 6'-Hydroxysiphonaxanthin ester/ 6'-Hydroxysiphonaxanthin dodecenoate/ 6'-Hydroxysiphonaxanthin 19-(trans-delta2-dodecenoate)


(1R,2R,3R)-prephytoene diphosphate

The (1R,2R,3R)-diastereomer of prephytoene diphosphate.


somaliensene A

A sesterterpene that is 2,6-dimethylbicyclo[3.1.1]hept-2-ene substituted by a (6E,10E)-2,6,10-trimethyltrideca-2,6,10-trien-13-yl at position 6 (the 1S,5S,6R-stereoisomer).


axerophthene

A diterpene that is cyclohexene substituted by a (1Z,3E,5E,7E)-3,7-dimethylnona-1,3,5,7-tetraen-1-yl group at position 2 and by methyl groups at positions 1,3 and 3. It is the parent hydrocarbon on which Vitamin A and other retinoids are based.


(-)-bornyl diphosphate

A monoterpenyl phosphate that is the O-diphospho derivative of (-)-borneol.


DESACETYL SALANNIN

A limonoid that is salannin in which the acetyloxy group at position 6 is replaced by a hydroxy group. It has been isolated from Azadirachta indica.


A pentacyclic triterpenoid that is olean-12-ene substituted by hydroxy groups at 3beta and 27-positions and a carboxy group at position 28.


A carbotricyclic compound that is cyclooctatin in which the hydroxymethyl substituent has been reduced to the corresponding methyl group. It is the biosynthetic precursor of cyclooctatin.


carotene

Hydrocarbon carotenoids.


A polyprenyl glycosyl phosphate consisting of beta-D-ribose attached at the 1-position to trans,octacis-decaprenyl phosphate.


asprellic acid A

A pentacyclic triterpenoid  that is the diester obtained by the global condensation of the hydroxy groups of (3beta)-3,27-dihydroxyolean-12-en-28-oic acid with trans-4-coumaric acid. It is isolated from the dried leaves of Ilex asprella and exhibits significant toxicity against KB (epidermoid carcinoma of the nasopharynx) and RPMI-7951 (melanoma) cell lines.


ajubractin C

A diterpenoid isolated from the aerial parts of Ajuga bracteosa.


TETRAHYDROXYBACTERIOHOPANE GLUCOSAMINE

A hopanoid that is bacteriohopanetetrol carrying a beta-D-glucosaminyl residue at position 35.


7-deoxyloganic acid

A cyclopentapyran that is 1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylic acid substituted at positions 1 and 7 by beta-D-glucosyloxy and methyl groups respectively (the 1S,4aS,7S,7aR-diatereomer).


DESFURANOAZADIRADIONE

A limonoid that is azadiradione in which the furanyl group at position 17 is replaced by a hydrogen. It has been isolated from Azadirachta indica.


A polyprenyl glycosyl phosphate having eleven prenyl units and 4-amino-4-deoxy-alpha-L-arabinopyranosyl as the glycosyl moiety.


akebia saponin D

A triterpenoid saponin that is hederagenin attached to a alpha-L-arabinopyranosyl residue at position 3 via a glycosidic linkage and a 6-O-beta-D-glucopyranosyl-beta-D-glucopyranosyl residue at position 28 via an ester linkage. It is the active ingredient found in the traditional Chinese herb Radix Dipsaci.


loganetin

An iridoid monoterpenoid that is methyl (4aS,7aR)-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran-4-carboxylate substituted at positions 1 and 6 by hydroxy groups and at postion 7 by a methyl group; the aglycone of loganin.


CAMELLIOL C

A triterpenoid that is 4,6,6-trimethylcyclohex-3-en-1-ol which is substituted at position 5 by a (3E,7E,11E)-3,8,12,16-tetramethylheptadeca-3,7,11,15-tetraen-1-yl group, originally isolated from the nonsaponifiable lipids of sasanqua oil (Camellia sasanqua).


A sesquiterpene lactone that is (3aS,4R,7aR)-3a,4,7,7a-tetrahydro-1-benzofuran-2(3H)-one with a methylidene at position C-3, a hydroxy at C-4, a methyl at C-6, and a (2S)-5-(acetyloxy)pentan-2-yl group at position C-5. A natural product found in Inula britannica var chinensis and Inula japonica.


CUMINGIANOSIDE E

A triterpenoid saponin that is 24,25-epoxy-13,30-cyclodammarane-3,7,23-triol esterified to the corresponding acetate at position 3 and attached to a 6-O-acetyl-beta-D-glucopyranosyl residue at position 7 via a glycosidic linkage. Isolated from Dysoxylum cumingianum it exhibits antileukemic activity.


all-trans-nonaprenyl diphosphate

A nonaprenyl diphosphate where all C=C double bonds have (E)-configuration.


A  hopanoid that is hopane substituted by an acetoxy group at position 3 and hydroxy groups at positions 7, 15 and 22 respectively (the 3beta,7beta,15alpha-stereoisomer). It has been isolated from Hypocrella species.


cyclooctatin

A diterpenoid characterized by a 5-8-5 dodecahydrodicyclopenta[a,d]cyclooctene fused-ring system, with a single double bond and one isopropyl, two hydroxy, one hydroxymethyl and two methyl substituents.


(+)-neoisodihydrocarveol

The (1R,2S,5R)-stereoisomer of dihydrocarveol.


A  cembrane diterpenoid that is cembra-2E,7E,11Z-trien-20,10-olide substituted by a hydroxy group at position 1 and a methoxy group at position 4. It has been isolated from the leaves of natural product found in Croton gratissimus.


A pentacyclic triterpenoid that is hopane in which a hydrogen attached to C-29 is replaced by a 2-hydroxyethyl group and in which the stereochemistry at C-17 is inverted to 17alphaH.


gibberellin A7

A C19-gibberellin that is a pentacyclic diterpenoid responsible for promoting growth and development in plants. Initially identified in Gibberella fujikuroi, it differs from gibberellin A1 in lacking the OH at C-7 (gibbane numbering).


ARDISIANOSIDE E

A triterpenoid saponin that is (3beta,16alphaalpha)-13,28-epoxyoleanane-3,16,30-triol with a beta-D-Glcp-(1->2)-[beta-D-Glcp-(1->4)]-alpha-L-Arap moiety attached to position 3 by a glycosidic linkage. It is isolated from Ardisia japonica and exhibits anticancer properties.


ALEURITOLIC ACID

A pentacyclic triterpenoid isolated from Maprounea africana and has been shown to exhibit inhibitory activity against HIV-1 reverse transcriptase.


icaceine

A diterpene alkaloid that is 6,18:14,16-diepoxypimar-7-en-18-one substituted by a hydroxy group at position 3 and a dimethyl amino group at position 15. It is isolated from Icacina guessfeldtii.


ALBIZOSIDE A

A triterpenoid saponin isolated from the stem bark of Albizia chinensis that exhibits cytotoxic activity against a small panel of human tumour cell lines.


ixerochinolide

A sesquiterpene lactone isolated from  Ixeris chinensis and has been shown to exhibit cytotoxic activity against human PC-3 tumor cells.


sclarene

A diterpene that consists of a labdane skeleton with double bonds at C-8(17), C-13(16) and C-14.


12-O-deacetyltrichilin H

A limonoid isolated from the ripe fruits of Melia azedarach.


13-cis-retinyl hexadecanoate

A retinyl ester obtained by formal condensation of the carboxy group of hexadecanoic acid with the hydroxy group of 13-cis-retinol.


oxidized Latia luciferin

A methyl ketone in which the keto group is attached to a 2-(2,6,6-trimethylcyclohex-1-en-1-yl)ethyl group.


A cembrane diterpenoid isolated from Lobophytum hedleyi and Lobophytum. It exhibits anti-HIV-1 activity.


A carbobicyclic compound that is 1,2,3,4,4a,5-hexahydronaphthalene which is substituted at position 1 by a propan-2-yl group and at positions 4 and 7 by methyl groups (the 1R,4R,4aS-diastereoisomer).


KANSUIPHORIN B

A tetracyclic diterpenoid that is 6,7-epoxy-13-hydroxyingenol in which the hydroxy groups at positions 3, 13 and 20 are esterified by 2,3-dimethylbutyric acid, lauric acid and palmitic acid. Isolated from the roots of Euphorbia kansui, it exhibits anti-cancerous activity.


OHCHININ ACETATE

A natural product found in Azadirachta indica.


(+)-isodihydrocarveol

The (1S,2S,4R)-stereoisomer of dihydrocarveol.


A retinoid that is all-trans-13,14-dihydroretinoic acid substituted by a hydroxy group at position 4.


TRANSCROCETIN

A 20-carbon dicarboxylic acid which is a diterpenoid and natural carotenoid. Found in the crocus flower, it has been administered as an anti-fatigue dietary supplement.


tetraterpenoid

Any terpenoid derived from a tetraterpene. The term includes compounds in which the C40 skeleton of the parent tetraterpene has been rearranged or modified by the removal of one or more skeletal atoms (generally methyl groups).


(-)-kolavenyl diphosphate

A diterpenyl phosphate that is the O-diphospho derivative of (-)-kolavenol


clethroidoside A

A triterpenoid saponin that is primulagenin A attached to a beta-D-glucopyranosyl-(1->2)-[beta-D-glucopyranosyl-(1->4)]-alpha-L-arabinopyranosyl residue at position 3 via a glycosidic linkage. It has been isolated from the aerial parts of Lysimachia clethroides.


A diterpene derived from labdane by dehydrogenation across the C(7)-C(8), C(13)-C(16) and C(14)-C(15) bonds.


DYSOLENTICIN E

A  tirucallane  triterpenoid isolated from Dysoxylum lenticellatum.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man3GlcNAc2 branched pentasaccharide alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


ginsenoside

Triterpenoid saponins with a dammarane-like skeleton originally isolated from ginseng (Panax) species. Use of the term has been extended to include semi-synthetic derivatives.


lydicene

A carbotricyclic compound that is 2,3,4,4a,5,6,6a,7,10,11-decahydro-1H-cyclohepta[a]naphthalene substituted by methyl groups at positions 2, 2, 4a, 6a, and 9, respectively (the 4aR,6aS-stereoisomer).


scalarane sesterterpenoid

A class of sesterterpenoids based on the structure of the hypothetical sesterterpene scalarane.


soyasapogenol B 3-O-beta-glucuronide

A triterpenoid saponin that is the 3-O-beta-glucuronide of soyasapogenol B.


(-)-neoisodihydrocarveol

A dihydrocarveol with a (1R,2S,4S)-configuration.


A sesquiterpenoid consisting of octahydro-1H-cyclopenta[1,3]cyclopropa[1,2]benzen-3-ol carrying two additional methyl substituents at positions 3 and 7 as well as an isopropyl substituent at position 4 (the 3S,3aR,3bR,4S,7S,7aR diastereomer).


The (+)-enantiomer of alpha-pinene.


hederagenin 3-O-arabinoside

A triterpenoid saponin that is hederagenin attached to an alpha-L-arabinopyranosyl residue at position 3 via a glycosidic linkage.


lancifodilactone F

A tetracyclic triterpenoid that is a rearranged pentanortriterpenoid derived from cycloartane. Isolated from the leaves and stem of Schisandra lancifolia, it exhibits anti-HIV activity.


SIEBOLDIANOSIDE A

A triterpenoid saponin with hederagenin as the aglycone part. It has been isolated from the stem bark of Kalopanax pictus.


A tricyclic sesquiterpenoid obtained by formal hydration across the endocyclic double bond of (-)-alpha-gurjunene


erinacine Q2

Majoor species at pH 7.3


(+)-helminthogermacrene

The (+)-isomer of helminthogermacrene.


CITRONELLOL

A monoterpenoid that is oct-6-ene substituted by a hydroxy group at position 1 and methyl groups at positions 3 and 7.


crassolide

A cembrane diterpenoid isolated from Lobophytum michaelae and has been shown to exhibit cytotoxic activity.


(Z,Z,Z)-geranylgeraniol

A geranylgeraniol in which all double bonds have Z- (cis-) geometry.


INFLEXIN

An ent-kaurane diterpenoid that is ent-kaur-16-ene substituted by an alpha-hydroxy group at position 1, beta-acetoxy groups at positions 3 and 6a and oxo groups at positions 11 and 15. Isolated from Isodon excisus and Rabdosia inflexa,it acts as an aromatase inhibitor.


A sesquiterpenoid that is (S)-beta-macrocarpene in which a hydrogen of the methyl group that is attached to a double bond has been replaced by a hydroxy group. The first step in the biosynthesis of the sesquiterpene phytoalexin zealexin A1 from (S)-beta-macrocarpene in maize.


A  limonoid that is the C-17 epimer of azadiradione. It has been isolated from Azadirachta indica.


daphnane

A tetracyclic terpene alkaloid and the parent compound of the daphnane subgroup of the squalene-derived Daphniphyllium alkaloids.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man2GlcNAc2 linear tetrasaccharide alpha-D-Man-(1->3)-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


laurenobiolide

A germacranolide isolated from Laurus nobilis L. and which has been shown to exhibit allergenic activity.


An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


gibberellin A20 methyl ester

A gibberellin ester that is the methyl ester of gibberellin A20.


A limonoid that is 17-epiazadiradione substituted by a hydroxy group at position 17. Isolated from Azadirachta indica, it exhibits antineoplastic activity.


An apo carotenoid compound arising from oxidative degradation of the beta,beta-carotene skeleton at the 10'-position.


A natural product found in Juglans sinensis.


senegin III

A triterpenoid saponin isolated from Polygala senega var latifolia and has been shown to exhibit hypoglycemic activity.


A diterpenyl phosphate that is the O-diphospho derivative of (5S,9S,10S,13E)-labda-7,13-dien-15-ol.


T-MUUROLOL

A cadinane sesquiterpenoid that consists of 4-isopropyl-1,6-dimethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalene having a hydroxy substituent at position 1 and (1S,4S,4aR,8aS)-configuration.


An eremorphilane sesquiterpenoid that is (+)-5-epi-aristolochene in which the pro-R hydrogen at position 2 has been replaced by a hydroxy group.


A tridecaprenyl diphosphate having two (E)- and ten (Z)-double bonds.


all-trans-retinyl octanoate

An all-trans-retinyl ester obtained by formal condensation of the carboxy group of octanoic acid with the hydroxy group of all-trans-retinol.


A tetracyclic triterpenoid that is dammarenediol-II where the hydrogen of the hydroxy group at position 20 is replaced by a beta-D-glucoside.


gibberellin A63

A C19-gibberellin, initially identified in Pyrus communis.  It differs from gibberellin A1 in the absence of an OH group at C-2  and the presence of a beta-OH at C-9 (all gibbane numbering).


BERKELEYONE C

A meroterpenoid found in Penicillium rubrum and has been shown to exhibit inhibitory activity against caspase-1.


A limonene monoterpenoid that consists of cyclohexanone bearing hydroxy and methyl substituents at position 2 as well as an isopropenyl substituent at position 5.


BERKELEYTRIONE

A  meroterpenoid found in Penicillium rubrum and has been shown to exhibit inhibitory activity against caspase-1.


(-)-delta-cadinene

A member of the cadinene family of sesquiterpenes in which the double bonds are located at the 4-4a and 7-8 positions, and in which the isopropyl group at position 1 is cis to the hydrogen at the adjacent bridgehead carbon (the 1R,8aS-enantiomer).


fusoxypene A

A pentacyclic sesterterpene derivative.


polyprenol phosphate anion

A polyprenol phosphate in which the hydroxyl hydrogen is replaced by a phospho group, major species at pH 7.3.


rediocide A

A diterpenoid of the class of daphnane-type terpenes. It is isolated from Trigonostemon reidioides and has been shown to exhibit insecticidal activity.


anisotanol C

A norsesquiterpenoid with formula C14H22O3. It is isolated from Anisodus tanguticus and displays antiangiogenic activity by inhibiting the viability, migration, and tube formation in HUVECs.


combretanone C

A pentacyclic triterpenoid that is 9beta,19-cyclolanost-23-ene substituted by an oxo group at position 3 and hydroxy groups at positions 7 and 25. It has been isolated from the leaves of Combretum quadrangulare.


AJUGAMARIN A2 CHLOROHYDRIN

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


A  scalarane sesterterpenoid isolated from the sponge, Hyattella species.


A  hopanoid that is hopan-3-one substituted by an epoxy group across positions 17 and 21. It has been isolated from the bark of Cupania cinerea.


gibberellin A1 methyl ester

A gibberellin ester that is the methyl ester of gibberellin A1.


SOYASAPOGENOL A

A pentacyclic triterpenoid that is oleanane containing a double bond between positions 12 and 13 and substituted by hydroxy groups at the 3beta, 21beta, 22beta and 24-positions.


A sesquiterpene that is 1,2,3,4,4a,5,6,7-octahydronaphthalene substituted by methyl groups at positions 4 and 4a and a prop-1-en-2-yl group at position 6 (the 4R,4aR,6R-stereoisomer).


A polyprenyl phospho oligosaccharide that is a disaccharide consisting of two glucose residues linked via a diphospho group to undecaprenol.


An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


A triterpenoid saponin isolated from Myrsine australis and Ardisia japonica and has been shown to exhibit antineoplastic activity.


bisabolane

A cycloalkane that is cyclohexane substituted by a methyl group at position 1 and by a 6-methylheptan-2-yl at position 4. Its skeleton structure is found in many sesquiterpenes and sesquiterpenoids.


globostellatic acid C

A tricyclic triterpenoid of the isomalabaricane group.


An abietane diterpenoid that is 5-dehydrohorminone in which the hydroxy group at position 12 is replaced by a methoxy group. Isolated from the roots of Salvia multicaulis, it exhibits antitubercular activity.


9-cis-retinyl hexadecanoate

A retinyl palmitate obtained by formal condensation of the carboxy group of hexadecanoic acid with the hydroxy group of 9-cis-retinol.


all-trans-undecaprenyl diphosphate

The all-trans-isomer of undecaprenyl diphosphate.


LYCHNOSTATIN 1

A germacranolide isolated from Lychnophora antillana and has been shown to exhibit antineoplastic activity.


EXCELSIDE A

Excelside A is a natural product found in Fraxinus excelsior


name: 1beta,2alpha,3beta,19alpha-Tetrahydroxy-12-ursen-28-oic acid 28-O-[b-D-Glucopyranosyl-(1->2)-b-D-glucopyranosyl] ester


A (6E)-nerolidol in which the hydroxy group at positon 3 adopts an R-configuration. It is a fertility-related volatile compound secreted by the queens of higher termites from the subfamily Syntermitinae.


GORDONOSIDE L

A triterpenoid saponin that has 3,16-dihydroxyolean-12-en-28-oic acid as the aglycone. Isolated from the stems of Gordonia chrysandra, it exhibits a strong inhibitory effect on nitric oxide production.


A labdane diterpenoid in which the labdane skeleton has double bonds at C-7 and C-13 (the latter with E-stereochemistry) and carries a hydroxy group at the terminal C-15 atom.


A polyprenyl phospho oligosaccharide that consists of a N-acetyl-alpha-D-galactosaminyl residue linked via a diphospho group to ditrans,polycis-undecaprenol.


A polyprenyl phospho oligosaccharide that is a tetrasaccharide consisting of one glucuronic acid, one mannose and two glucose residues linked via a diphospho group to undecaprenol.


An apo carotenoid triterpenoid compound consisting of 8'-apo-beta-carotene having an aldehyde group in the 8'-position and an (R)-hydroxy substituent at the 3-position.


An oxabicycloalkane that is 1-methyl-4-(propan-2-yl)-7-oxabicyclo[2.2.1]heptan-2-ol in which the hydroxy group is substituted by a (2-bromo-6-fluorophenyl)methoxy group.


A tetracyclic diterpenoid with formula C20H24O7, originally isolated from the roots and leaves of Tripterygium wilfordii.


An undecaprenyl phosphate having three (E)- and seven (Z)-double bonds.


(-)-somaliensene B

A sesterterpene that is 1-methylcyclohexene substituted by a (5E,9E)-6,10,14-trimethylpentadeca-1,5,9,13-tetraen-2-yl group at position 4 (the 4S-stereoisomer).


sesquiterpene lactone

Any member of a diverse class of complex, multicyclic phytochemicals showing a variety of skeleton arrangements and bioactivities, and having in common a sesquiterpenoid structure including a lactone ring.


rebaudioside D

A rebaudioside that is rebaudioside A in which the hydroxy group at position 2 of the beta-D-glucosyl ester moiety has been converted to the corresponding beta-D-glucoside. Found in minute quantities in the leaves of Stevia rebaudiana.


VERBENONE

A 4,6,6-trimethylbicyclo[3.1.1]hept-3-en-2-one in which both chiral centres have R configuration. It is a component of Spanish verbena oil, from Verbena triphylla.


A  triterpenoid saponin of the class of cucurbitane glycosides isolated from the roots of  Machilus yaoshansis.


sinularolide C

A cembrane diterpenoid that is an epimer of sinularolide B at C-3. Isolated from Sinularia gibberosa and has been found to exhibit antineoplastic activity.


penichrysol

A diterpenoid that is produced by the fungal chimeric terpene synthases, PTTS087 and PTTS136.


A pentacyclic triterpenod that is 9beta,19-cyclolanost-24-ene which is substituted by hydroxy groups at the 3beta and 28 positions.


A triterpenoid saponin that is  maslinic acid attached to a beta-D-glucopyranosyl residue at position 3 and a alpha-L-rhamnopyranosyl-(1->2)-beta-D-glucopyranosyl residue at position 28 via a glycosidic linkage. Isolated from the methanolic extract of the leaves of Symplocos lancifolia, it exhibits antibacterial activity.


(-)-cis-carveol

The (1R,5R)-stereoisomer of carveol.


cadinene

Any sesquiterpene having a cadinane skeleton containing one or more C=C bonds.


(-)-beta-selinene

The (4aS,7S,8aR)-stereoisomer of beta-selinene.


rubiyunnanol C

A pentacyclic triterpenoid of the class of arborinane-type terpenoids isolated from the roots of Rubia yunnanensis.


A terpene lactone that consists of oxepan-2-one bearing methyl and isopropenyl substituents at positions 3 and 6 respectively.


gummiferaoside C

A triterpenoid saponin isolated from the roots of of the Madagascan plant Albizia gummifera and has been shown to exhibit cytotoxicity against human ovarian cancer cell line.


dodecaprenyl diphosphate

A polyprenol diphosphate compound having twelve prenyl units with undefined stereochemistry about the double bonds.


PROTOPRIMULAGENIN A

A hexacyclic triterpenoid that consists of oleanane substituted by hydroxy groups at 3beta and 16alpha-position and an oxolane bridge at positions 13 and 28.


canophyllal

A pentacyclic triterpenoid with formula C30H48O2, originally isolated from the leaves of Syzygium formosanum.


A pentacyclic triterpenoid that is the cinnamate ester obtained by the formal condensation of the carboxylic group of cis-caffeic acid with the hydroxy group of lupeol (the 3beta stereoisomer). It is isolated from the fruits of Bruguiera parviflora and exhibits antimalarial activity.


A tetracyclic triterpenoid that is 29-nordammara-1,17(20)-diene substituted by acetoxy groups at positions 6 and 16, a carboxy group at position 21, a hydroxy group at position 25 and oxo groups at positions 3 and 7 respectively. It is isolated from the marine-derived fungal strain  Aspergillus sydowii PFW1-13 and exhibits antibacterial activity.


A eudesmane sesquiterpenoid in which the eudesmane skeleton carries hydroxy substituents at position 1, 6 and 7 and a double bond between C-4 and C-14. It has been isolated from the aerial parts of Tephrosia candida.


rediocide E

A diterpenoid of the class of daphnane-type terpenes. It is isolated from Trigonostemon reidioides and has been shown to exhibit insecticidal activity.


rebaudioside

Any of the steviol glycosides found in the leaves of the stevia plant, Stevia rebaudiana. They are typically more than 100 times sweeter than sucrose.


astellifadiene

A sesterterpene with formula C25H40 that is produced by a terpene synthase gene from Emericella variecolor NBRC 32302 which is heterologously expressed in Aspergillus oryzae NSAR1.


SOYASAPOGENOL B

A pentacyclic triterpenoid that is oleanane containing a double bond between positions 12 and 13 and substituted by hydroxy groups at the 3beta, 22beta and 24-positions.


CARDIVIN A

A  germacranolide isolated from the aerial parts of Carpesium divaricatum. It exhibits cytotoxicity against the human tumor cells, A-549 (nonsmall cell lung), SK-OV-3 (ovary), SK-MEL-2 (skin), XF-498 (central nervous system) and HCT-15 (colon).


octadecaprenyl diphosphate

A polyprenol diphosphate compound having eighteen prenyl units with undefined stereochemistry about the double bonds.


A  tricyclic diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


SUAVEOLINDOLE

A  terpenoid indole alkaloid that is 1H-indole substituted by cyclohexylmethyl ring at position 3 which in turn is substituted by additional methyl groups at positions 2 and 3, a propan-2-ylidene group at position 6 and a 2-carboxyethyl group at position 1. Isolated from   Greenwayodendron suaveolens, it exhibits antibacterial activity.


manool

A labdane diterpenoid in which the labdane skeleton has double bonds at positions 8(17) and 14 and carries an R-hydroxy group at position 13.


LAMESTICUMIN E

A triterpenoid of the class of onoceranoid-type terpenoids isolated from the twigs of Lansium domesticum.


dysoxyhainanin A

A pentacyclic triterpenoid with a rearranged oleanane skeleton isolated from the whole plants of Dysoxylum hainanense. It exhibits antibacterial activity against Gram-positive bacteria.


hederagenin 28-O-beta-D-glucopyranoside

A triterpenoid saponin that is the carboxylic ester obtained by the formal condensation of the carboxy group of  hederagenin with beta-D-glucopyranose.  It has been isolated from Juglans sinensis.


citranaxanthin

An apo carotenoid compound arising from oxidative degradation of the beta,beta-carotene skeleton at the 1'- and 6'-positions.


TSUGARIOSIDE C

A  triterpenoid saponin that is (23Z)-24-methyllanosta-8,23,25-trien-21-oic acid substituted by an acetyloxy group at position 3 and a beta-D-xylopyranosyl residue at position 21 via a glycosidic linkage. It has been isolated from the fruit bodied of Ganoderma tsugae and exhibits cytotoxic activity against several different cancer cell lines.


A  lathyrane diterpenoid isolated from the roots of Euphorbia micractina.


glycyrrhetic acid 3-O-glucuronide

A triterpenoid saponin that is the 3-O-beta-glucuronide of glycyrrhetic acid. It is a metabolite of glycyrrhizin contained in licorice and potentially a causative agent in the pathogenesis of pseudoaldosteronism.


A pentacyclic triterpenoid that is lup-20(29)-ene substituted by hydroxy groups at positions 2 and 3 (the 2alpha,3beta stereoisomer). It has been isolated from Juglans sinensis.


A monoterpene glycoside that is albiflorin carrying a galloyl substituent at position 6. Isolated from the roots of Paeonia lactiflora.


9-hydroxy hedychenone

A labdane diterpenoid that is 15,16-epoxy-7,11,13(16)14-labdatetraen-6-one substituted by a hydroxy group at position 9. Isolated from the rhizomes of Hedychium spicatum, it exhibits cytotoxicity against the Colo-205 (Colo-cancer), A-431 (skin cancer), MCF-7 (breast cancer), A-549 (lung cancer) and Chinese hamster ovary cells (CHO).


A polyprenyl phospho oligosaccharide that consists of an alpha-D-Gal-(1->3)-alpha-D-GlcNAc moiety linked via a diphospho group to ditrans,octacis-undecaprenol.


oryzalexin D

A tricyclic diterpenoid that is ent-sandaracopimaradiene bearing two additional hydroxy substituents at the 3alpha- and 7beta-positions.


gibberellin A45

A C19-gibberellin, initially identified in Pyrus communis. It differs from gibberellin A1 in the absence of OH groups at C-2 and -7 and the presence of a beta-OH at C-9 (all gibbane numbering).


SABINENE

A thujene that is a bicyclic monoterpene isolated from the essential oils of various plant species.


BISABOLONE

A beta-bisabolene which has (1S)-configuration.


scutebarbatine F

A diterpene alkaloid of group of neo-clerodanes isolated from the whole plants of Scutellaria barbata and has been shown to exhibit neoplastic activity.


sinularolide B

A cembrane diterpenoid isolated from Sinularia gibberosa and has been found to exhibit antineoplastic activity.


tirucallane

A triterpene that is (13alpha,14beta,17alpha,20S)-lanostane.


A triterpenoid saponin that is olean-12-ene attached to hydroxy groups at positions 3 and 23, oxo groups at positions 1 and 28 and a beta-D-glucopyranosyloxy group at position 28. It has been isolated from the leaves and twigs of Juglans sinensis.


CLETHROIDOSIDE F

A triterpenoid saponin that is 3,16-dihydroxy-13,28-epoxyoleanane-21,22-diyl diacetate attached to a tetrasaccharide residue at position 3 via a glycosidic linkage. Isolated from the aerial parts of Lysimachia clethroides, it exhibits antineoplastic activity.


MULTICAULIN

A diterpenoid that is phenanthrene substituted by a methoxy group at position 6, methyl groups at position 1 and 2 and an isopropyl group at position 7. A norabietane derivative, it is isolated from the roots of Salvia multicaulis and exhibits antitubercular activity.


SCUTEBARBATINE F

A  diterpene alkaloid of group of neo-clerodanes isolated from the whole plants of Scutellaria barbata and has been shown to exhibit neoplastic activity.


A phorbol ester that consists of 12-deoxyphorbol esterified at position 13 by deca-3,5-dienoic acid (the 3E,5E stereoisomer). It is obtained from the leaves and stems of Excoecaria agallocha and exhibits anti-HIV activity.


CLETHROIDOSIDE C

A triterpenoid saponin that is (3beta)-3-hydroxy-13,28-epoxyoleanan-16-one attached to a tetrasaccharide residue at position 3 via a glycosidic linkage. Isolated from the aerial parts of Lysimachia clethroides, it exhibits antineoplastic activity.


SCHISANLACTONE A

A tetracyclic triterpenoid isolated from Schisandra and Kadsura longipedunculata. It has been shown to exhibit inhibitory activity against HIV protease.


DIPSACUSSAPONIN A

A triterpenoid saponin that is the disaccharide derivative of hederagenin. It has been isolated from the stem bark of Kalopanax pictus.


bacterioruberin

A C50 carotenoid that is a red-coloured pigment found in several Halobacterium and Haloarcula species.


An abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana.


GINSENOSIDE RF

A ginsenoside found in Panax ginseng and Panax japonicus var. major that is dammarane which is substituted by hydroxy groups at the 3beta, 6alpha, 12beta and 20 pro-S positions, in which the hydroxy group at position 6 has been converted to the corresponding beta-D-glucopyranosyl-(1->2)-beta-D-glucopyranoside, and in which a double bond has been introduced at the 24-25 position.


germacrene C

A sesquiterpenoid derived from germacrane by dehydrogenation at the 1,2- 3,4- and 7,8-positions.


15-ACETYLTRICHAGMALIN E

A  limonoid that is the 15-acetyl derivative of trichagmalin E. It has been isolated from Trichilia connaroides.


OPHIOBOLIN C

A sesterterpenoid that is ophiobolane with a hydroxy group at position 3, oxo group at positions 5, formyl group at position 7, and double bonds at positions 7-8 and 19-20.


(+)-menthofuran

A menthofuran that is 4,5,6,7-tetrahydro-1-benzofuran substituted by methyl groups at positions 3 and 6 (the 6R-enantiomer).


SCHISANWILSONENE A

A sesquiterpenoid isolated from Schisandra wilsoniana and has been shown to exhibit anti-HBV activity.


cabraleahydroxylactone acetate

A tetracyclic triterpenoid isolated from Aglaia abbreviata.


ANIASATIN

A sesquiterpene lactone with formula C15H20O8. It is a neurotoxic natural product found in plants of the family Illiciaceae.


LAUREBIPHENYL

A sesquiterpenoid that is a dimer of a cyclolaurane type sesquiterpene. Isolated from the marine red algae Laurencia nidifica and Laurencia tristicha, it exhibits antineoplastic activity.


azadiradionolide

A tetracyclic triterpenoid that is 4,4,8-trimethylandrosta-1,14-diene substituted by a oxo groups at positions 3 and 16, an acetoxy group at position 7 and a 2-oxo-2,5-dihydrofuran-3-yl group at position 17. It has been isolated from Azadirachta indica.


inunolide

A germacranolide isolated from Inula racemosa, Rudbeckia laciniata and Stevia polyphylla.


A dolichyl diphosphooligosaccharide in which the oligosaccharide moiety is the Man6GlcNAc2 branched octasaccharide alpha-D-Man-(1->2)-alpha-D-Man-(1->2)-alpha-D-Man-(1->3)-[alpha-D-Man-(1->3)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-D-GlcNAc.


TRIPTERYGIC ACID A

A pentacyclic triterpenoid with formula C30H48O4, originally isolated from the roots of Tripterygium wilfordii.


trichagmalin E

A limonoid with a phragmalin skeleton isolated from the leaves of Trichilia connaroides.


A carbobicyclic compound that is decahydronaphthalene substituted at positions 2, 4a, 8 and 8a by 2-hydroxypropan-2-yl, methyl, methyl and hydroxy groups, respectively. The (3R,4aS,5S,8aS) stereoisomer.


euphornin L

A macrocyclic diterpenoid isolated from Euphorbia helioscopia and has been shown to exhibit cytotoxicity against HL-60 cell lines.


paeoniflorigenone

A terpenoid with formula C17H18O6, isolated from several species of Paeoniae.


aculene B

A carboxylic ester resulting from the formal condensation of the hydroxy group of aculene D with the carboxylic acid group of L-proline. It is a sesquiterpenoid isolated from the fungus Aspergillus aculeatus.


A triterpenoid saponin that is the tetrasaccharide derivative of oleanolic acid. Isolated from the roots of Pulsatilla chinensis, it exhibits antineoplastic activity.


A 4,4'-diapo-zeta-carotene in which the double bonds at positions 6, 8, 10, 12, 14, 16, and 18 have E- (trans-) geometry.


delta-cadinene

A member of the cadinene family of sesquiterpenes in which the double bonds are located at the 4-4a and 7-8 positions, and in which the isopropyl group at position 1 is cis to the hydrogen at the adjacent bridgehead carbon (position 8a).


sesquisabinene A

A sesquiterpene that consists of (1R,5R)-2-methylidenebicyclo[3.1.0]hexane having a (2R)-6-methylhept-5-en-2-yl group at position 5.


polyprenol phosphate

A prenol phosphate resulting from the formal condensation of the terminal allylic hydroxy group of a polyprenol with 1 mol eq. of phosphoric acid.


A diterpenoid that is 15,17-epoxypodocarpan-15-one substituted by a hydroxy group at position 13, methyl groups at positions 8 and 13 and a (5-methoxy-3,6-dioxocyclohexa-1,4-dien-1-yl)methyl group at position 14 (the 13alpha,14beta stereoisomer). Isolated from the marine sponge Petrosia corticata, it exhibits  antineoplastic activity.


A phorbol ester that consists of 16-hydroxyphorbol bearing O-hexadecanoyl (palmitoyl) and O-decanoyl substituents at position 12 and 13 respectively.


maoecrystal Z

A tetracyclic diterpenoid isolated from the leaves of a Chinese medicinal herb Isodon eriocalyx and has been shown to exhibit cytotoxicity towards human tumour cells.


michaolide C

A cembrane diterpenoid with cytotoxic activity isolated from the soft coral Lobophytum michaelae.


A 2,3-epoxysqualene in which the chiral centre has S configuration. It is converted into lanosterol by lanosterol synthase (EC 5.4.99.7) in a key rate-limiting step in the biosynthesis of chloesterol, steroid hormones, and vitamin D.


A retinoid that is retinoic acid in which the carboxy proton has been replaced by a beta-D-glucuronyl residue.


carotenoid psi-end derivative

Any carotenoid derivative with a psi-end group.


all-trans-4-oxo-18-hydroxyretinoic acid

A retinoid that consists of all-trans-retinoic acid carrying an oxo substituent at position 4 and a hydroxy substituent at position 18.


(+)-copalol

A labdane diterpenoid in which the labdane skeleton has double bonds at positions 8(17) and 13 (the latter with E-stereochemistry) and carries a hydroxy group at the terminal C-15 position.


koraiol

A carbotricyclic compound that is tricyclo[7.2.0.0(2,5)]undecane which is substituted by a hydroxy group at position 6 and by methyl groups at positions 2, 6, 10 and 10 (the 1S,2R,5S,6S,9S-diastereoisomer). It is a sesquiterpenoid isolated from Pinus koraiensis.


GLUTINOL

A pentacyclic triterpenoid that is picene which has been fully hydrogenated except for a double bond between the 4a and 5 positions and is substituted by methyl groups at the 4, 4, 6bbeta, 8abeta, 11, 11, 12balpha and 14bbeta positions, and by a hydroxy group at the 3beta position.


PORICOIC ACID C

A tricyclic triterpenoid isolated from Poria cocos.


cis-isogeraniol

An isogeraniol that has (Z)-configuration.


holothurin A4 acid

A triterpenoid saponin that is a tetrasaccharide derivative of 3,12,17,24-tetrahydroxy-18,20-epoxylanost-9(11)-en-18-one.


A car-3-ene (3,7,7-trimethylbicyclo[4.1.0]hept-3-ene) that has R configuration at position 1 and S configuration at position 6.


A dihydroagarofuran sesquiterpenoid that is beta-dihydroagarofuran substituted by methylbutanoyloxy groups at positions 1 and 6, a hydroxy group at position 4, a benzoyloxy group at position 8, a furancarbonyloxy group at positon 9 and an acetyloxy group at position 13. Isolated from Euonymus nanoides, it exhibits cytotoxic activity.


4,4'-diaponeurosporenoic acid

An apo carotenoid triterpenoid that is 4,4'-diapolycopene in which one of the terminal methyl groups has been oxidised to the corresponding carboxylic acid.


A cembrane diterpenoid that is cembra-2E,7E,11Z-trien-20,10-olide substituted by hydroxy groups at positions 1 and 4. It has been isolated from the leaves of Croton gratissimus.


A  cembrane diterpenoid that is cembra-2E,8-(19),11Z-trien-20,10-olide substituted by hydroxy groups at positions 1, 4 and 7. It has been isolated from the leaves of Croton gratissimus.


An optically active form of 6-isopropenyl-3-methyloxepan-2-one having (3S,6R)-configuration.


neoline

A diterpene alkaloid with formula C24H39NO6 that is isolated from several Aconitum species.


A  tricyclic diterpenoid isolated from the stem bark of  Fraxinus sieboldiana.


name: Methyllycaconitine Perchlorate, Delphinium sp.


picrotin

An organic heteropentacyclic compound that is picrotoxinin in which the olefinic double bond has undergone addition of water to give the corresponding tertiary alcohol. It is the less toxic component of picrotoxin, lacking GABA activity.


polyprenol

Any member of the class of  prenols possessing the general formula H-[CH2C(Me)=CHCH2]nOH in which the carbon skeleton is composed of more than one isoprene units.


ent-kaurene

A tetracyclic diterpene consisting of ent-kaurane, where the 6-methyl group is replaced by methylene.


AJUGALIDE B

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


11alpha-hydroxyasiatic acid

A pentacyclic triterpenoid that is the 11alpha-hydroxy derivative of  asiatic acid. Isolated from the methanolic extract of the leaves of Symplocos lancifolia, it exhibits antibacterial activity.


A tetracyclic triterpenoid with a seco-oleanane type skeleton isolated from the stem barks of Kalopanax pictus.


trisporic acid

Trisporic acids are C-18 terpenoid compounds consisting of (1S)-1,3-dimethyl-4-oxocyclohex-2-ene-1-carboxylic acid which is substituted at position 3 by a (1E-3-methylocta-1,3-dien-1-yl side chain. The double bond at position 3 of the side chain can have E or Z geometry. Position 7 of the side chain may be unsubstituted (trisporic acid A) or substituted by a hydroxy group (trisporic acid B) or an oxo group (trisporic acid C). The trisporic acids are synthesized via beta-carotene and retinol pathways in the Zygomycetes and are pheromone compounds responsible for sexual differentiation in those fungal species.


rebaudioside E

A rebaudioside that is stevioside in which the hydroxy group at position 2 of the glucosyl ester moiety has been converted into the corresponding beta-D-glucoside.


beta-hexaprene

An acyclic triterpene that is 3-methylidenetetracosa-1,6,10,14,18,22-hexaene carrying five methyl substituents at positions 7, 11, 15, 19 and 23 (the all-E geoisomer).


atractyligenin

A diterpenoid isolated from coffee silverskin. It inhibits cutaneous photoaging.


AGLAIABBREVIATIN E

A tetracyclic triterpenoid (dammarane type) isolated from the stems of Aglaia abbreviata.


A sesquiterpenoid that is cyclodeca-2,7-diene substituted by methyl, hydroxy, isoproyl, and methyl groups at positions 1, 1, 4S and 7, respectively.


(R)-8-oxocitronellyl enol

An 8-oxocitronellyl enol in which the chiral centre has R configuration.


xylocarpin J

A limonoid isolated from Xylocarpus granatum and has been shown to exhibit antineoplastic activity.


A carotenoid ether that is spirilloxanthin substituted at position 2 by a hydroxy group.


AGLAIABBREVIATIN C

A tetracyclic triterpenoid isolated from the stems of Aglaia abbreviata.


A tricyclic hydrocarbon and sesquiterpene that is octahydro-1H-3a,6-methanoazulene which is substituted by a methylidene group at position 7 and by methyl groups at positions 3, 8, and 8.


heptadecaprenyl diphosphate

A polyprenol diphosphate compound having seventeen prenyl units with undefined stereochemistry about the double bonds.


anagalligenin A

A hexacyclic triterpenoid that is an oleanane substituted by an epoxy group between positions 13 and 28 and by hydroxy groups at positions 3, 16, 22 and 28 respectively (the 3beta,16alpha,22alpha stereoisomer). It is isolated from the whole plant of Anagallis arvensis.


alpha-cryptoxanthin

A carotenol, the structure of which is (6'R)-beta,epsilon-carotene hydroxy-substituted at C-3' with R-stereochemistry.


muqubilone

A sesterterpenoid isolated from Red Sea sponge Diacarnus erythraeanus and has been shown to exhibit anti-HSV-1 activity.


solavetivol

A spiro compound that is spiro[4.5]dec-6-ene which is substituted at positions 2, 6, 8, and 10 by isopropenyl, methyl, hydroxy, and methyl groups, respectively (the (2R,5S,8S,10R)-diastereoisomer).


ACETYL ALEURITOLIC ACID

A  pentacyclic triterpenoid isolated from the leaves of Garcia parviflora.


A polyprenyl phospho oligosaccharide where beta-D-ManNAcA-(1->4)-D-GlcNAc comprises the oligosaccharide component and is linked via a diphosphate to a polyprenyl chain consisting of eleven prenyl units.


triterpenoid

Any terpenoid derived from a triterpene. The term includes compounds in which the C30 skeleton of the parent triterpene has been rearranged or modified by the removal of one or more skeletal atoms (generally methyl groups).


cornusalterin C

A tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S,23E)-lanosta-23-ene substituted by beta-hydroxy group at position 3 and a methoxy group at position 25. It has been isolated from the stem and stem barks of Cornus walteri.


cyclic monoterpene ketone

A cyclic terpene ketone in which the terpene specified is monoterpene.


bruceanol F

A quassinoid isolated from Brucea antidysenterica and has been shown to exhibit in vitro cytotoxicity towards several human tumour cell lines.


KLYMOLLIN A

An eunicellin diterpenoid isolated from the soft coral Klyxum molle.


An oligosaccharide phosphate that is beta-D-Man-(1->4)-beta-D-GlcA-(1->2)-alpha-D-Man-(1->3)-beta-D-Glc-(1->4)-alpha-D-Glc-1-diphospho-ditrans,polycis-undecaprenol in which the terminal mannosyl group has been converted to its 4,6-O-1-carboxyethylidene derivative.


A carotenol obtained by formal hydration of a double bond at position 1' of demethylspheroidene.


3-acetyl-7-tigloylvilasinin lactone

A limonoid found in Azadirachta indica.


A diterpenoid that is ent-cassa-12,15-diene in which the hydrogens at positions 2beta and 3beta have been replaced by hydroxy groups.


SPATHODIC ACID

A pentacyclic triterpenoid that is olean-12-en-28-oic acid substituted by hydroxy groups at positions 3, 19 and 24 (the 3beta,19alpha stereoisomer). It has been isolated from the roots of Rubia yunnanensis.


avermitilol

A carbotricyclic compound that consists of decahydro-1H-1H-cyclopropa[a]naphthalene bearing four methyl substituents at position 1, 1, 3a and 7 as well as a hydroxy substituent at position 4 (the (1aR,3aS,4S,7R,7aS,7bR)-diastereomer).


CLETHROIDOSIDE D

A triterpenoid saponin that is (3beta)-3-hydroxy-13,28-epoxyoleanan-16-one attached to a tetrasaccharide residue at position 3 via a glycosidic linkage. Isolated from the aerial parts of Lysimachia clethroides, it exhibits antineoplastic activity.


ALPHITOLIC ACID

A pentacyclic triterpenoid that is  betulinic acid carrying an additional  alpha-hydroxy group at position 2. It has been isolated from Breynia fruticosa.


A monocarboxylic acid that is propionic acid which is substituted at position 2 by a 4-methylcyclohex-3-en-1-yl group (the R,R stereoisomer). A secondary metabolite with antifungal activity obtained from the endophytic fungus Pestalotiopsis foedan, obtained from the branch of the upriver orange mangrove, Bruguiera sexangula.


trichagmalin B

A limonoid with a phragmalin skeleton isolated from the leaves of Trichilia connaroides.


A diterpenoid that is podocarpa-5,8,11,13-tetraen-7-one substituted by hydroxy groups at positions 3 and 12 and a methyl group at position 13 (the 3beta stereoisomer). Isolated from Securinega suffruticosa, it exhibits antineoplastic activity.


cornusalterin E

A  tirucallane triterpenoid that is (13alpha,14beta,17alpha,20S)-lanosta-1,7-diene substituted by an oxo group at position 3. It has been isolated from the stem and stem barks of Cornus walteri.


A germacrane sesquiterpenoid that is germacra-1(10),4-diene carrying an additional hydroxy substituent at position 11.


A pentacyclic triterpenoid that is oleanane which is substituted by hydroxy groups at the 3beta and 24 positions, and which has a double bond between positions 12 and 13.


smaditerpenic acid C

A diterpenoid isolated from the leaves of Smallanthus sonchifolius.


(+)-alpha-santalene

A sesquiterpene consisting of a tricyclo[2.2.1.0(2,6)]heptane skeleton substituted by methyl groups at positions 1 and 7 and by a 4-methylpent-3-en-1-yl group at position 7 (the 1S,2R,4S,6R,7R diastereoisomer).


rubiarbonol K

A pentacyclic triterpenoid of the class of arborinane-type terpenoids isolated from the roots of Rubia yunnanensis.


beta-terpinene

One of three isomeric monoterpenes differing in the positions of their two double bonds (alpha- and gamma-terpinene being the others). In beta-terpinene the double bonds are at the 1(7)- and 3-positions of the p-menthane skeleton. beta-Terpinene has no known natural source.


gamma-camphorene

A cycloalkene that is cyclohexene substituted by 2-methylpent-2-en-5-yl and 6-methylhepta-1,5-dien-2-yl groups at positions 1 and 5, respectively. It is a diterpene isolated from several plant species.


glycan G00008

A dolichyl diphosphooligosaccharide compound consisting of a branched tetradecasaccharide attached to the dolichyl chain via a diphosphate linkage.


LAMESTICUMIN B

A triterpenoid of the class of onoceranoid-type terpenoids isolated from the twigs of Lansium domesticum.


DIANVERSICOSIDE D

A pentacyclic triterpenoid saponin isolated from the aerial parts of Dianthus versicolor. It has been shown to exhibit cytotoxic activity against a panel of cancer cell lines.


A monoterpenoid that is geraniol bearing a hydroxy substituent at position 8.


conidiogenol

A diterpenoid with formula C20H34O2. It is isolated from Penicillium cyclopium and exhibits potent conidiation inducing activity.


A polyprenyl glycosyl phosphate consisting of N,N'-diacetyl-alpha-D-bacillosamine linked via a diphospho group to tritrans,heptacis-undecaprenol.


cis-cis-nepetalactol

A cyclopentapyran that is (4aR,7aS)-1,4a,5,6,7,7a-hexahydrocyclopenta[c]pyran substituted at position 1 by a hydroxy group and at positions 4 and 7 by methyl groups (the 4aR,7S,7aS)-diastereomer.


(+)-phytocassane E

A phytocassane that is (+)-phytocassane C in which the hydroxy group at position 3 has been oxidised to the give corresponding ketone.


NEROLIDOL

A nerolidol in which the double bond at position 6 adopts a trans-configuration.


flavuxanthin

A C50 carotenoid that is an intermediate in the biosyntheses of decaprenoxanthin by Corynebacterium glutamicum and gamma-cyclic sarcinaxanthin by Micrococcus luteus.


A limonoid that is  salannin in which the furanyl group at position 17 is replaced by an oxo group. Isolated from Azadirachta indica, it exhibits anti-inflammatory activity.


tetradecaprenyl diphosphate

A polyprenol diphosphate compound having fourteen prenyl units with undefined stereochemistry about the double bonds.


salvileucalin B

A diterpenoid with a rearranged neo-clerodane skeleton isolated from Salvia leucantha and has been shown exhibit antineoplastic activity.


AJUGANIPPONIN A

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


isoiguesterin

A pentacyclic triterpenoid that is a bisnortriterpene isolated from Salacia madagascariensis and exhibits antileishmanial and antileukemic activities.


soyasaponin A3

A triterpenoid saponin that is composed of soyasapogenol A having an alpha-L-rhamnopyranosyl-(1->2)-beta-D-galactopyranosyl-(1->2)-beta-D-glucopyranosiduronic acid moiety attached at the 3-position via a glycosidic linkage.


11-cis-retinyl tetradecanoate

A retinyl ester obtained by formal condensation of the carboxy group of tetradecanoic acid with the hydroxy group of 11-cis-retinol.


An apo carotenoid compound arising from oxidative degradation of the beta,beta-carotene skeleton at the 8'- and 13-positions.


colleterpenol

A triterpenoid produced by Colletotrichum gloeosporioides colleterpenol synthase from all-trans-hexaprenyl diphosphate.


A hydroxyretinoic glucuronide obtained by the glycosylation of the carboxy group of all-trans-4-hydroxyretinoic acid with beta-glucuronic acid.


A phorbol ester that consists of 4-deoxyphorbol bearing O-acetyl and O-[13-(2Z,4E,6E)-deca-2,4,6-trienoyl] substituents at position 12 and 13 respectively.


A pentacyclic triterpenoid that is the cinnamate ester of cycloartenol. It has been isolated from the mycelia of Cordyceps sinensis.


tridecaprenyl diphosphate

A polyprenol diphosphate compound having thirteen prenyl units with undefined stereochemistry about the double bonds.


trifloroside

A secoiridoid glycoside that is (4aS,5R,6R)-6-hydroxy-5-vinyl-4,4a,5,6-tetrahydro-1H,3H-pyrano[3,4-c]pyran-1-one in which the hydroxy group has been converted to the corresponding 2,3,6-tri-O-acetyl-beta-D-glucoside, the 4-hydroxy group of which has been esterified by formal condensation with the carboxy group of 2,3-dihydroxybenzoic acid 3-beta-D-glucoside. It is a component of Gentiana scabra root extract, which is used as an internal remedy in traditional Korean medicine for the treatment of diabetes mellitus.


tatridin A

A germacrane sesquiterpenoid in which the 10-membered ring contains one E- and one Z- double bond and is fused to a 3-methylenedihydrofuran-2(3H)-one moiety. It has been isolated from Artemesia arbuscala, Anthemis altissima and Tanacetum vulgare.


cucurbitacin

Any one of a class of tetracyclic triterpenoids, formally derived from the triterpene hydrocarbon cucurbitane, developed by some plants (especially those of the family Cucurbitaceaeas) as a defence mechanism against herbivores.


A terpene lactone that is obtained from Codinea simplex and acts as an inhibitor of glycerophosphoinositol biosynthesis.


thujopsene

A carbotricyclic compound that is cis-1,1a,4,4a,5,6,7,8-octahydrocyclopropa[d]naphthalene which is substituted by methyl groups at the 2, 4a, 8 and 8 positions.


A sesquiterpene that consists of (1S,5R)-2-methylbicyclo[3.1.0]hex-2-ene having a (2R)-6-methylhept-5-en-2-yl group attached at position 5.


AJUGAPITIN

A diterpenoid isolated from the aerial parts of Ajuga bracteosa and has been shown to exhibit antifeedant activity against Spodoptera littoralis.


cochalic acid

A pentacyclic triterpenoid that is oleanane which has been substituted by hydroxy groups at the 3beta and 16beta positions, dehydrogenated to introduce a double bond at the 12-13 position, and in which the methyl substituent at position 17 has undergone oxidation to give the corresponding carboxylic acid. Found in the cactus Myrtillocactus cochal.


Dimeric secoiridoid glycoside present in species of the Fraxinus genus


michaolide J

A cembrane diterpenoid with cytotoxic activity isolated from the soft coral Lobophytum michaelae.


gibberellin A14

A C20-gibberellin, initially identified in Gibberella fujikuroi. It differs from gibberellin A12 in the presence of a beta-OH at C-2 (gibbane numbering).


viridiflorol

A carbotricyclic compound that is (1aS,4aR,7aR,7bR)-decahydro-1H-cyclopropa[e]azulene carrying four methyl substituents at positions 1, 1, 4 and 7 as well as a hydroxy substituent at position 4. It is a sesquiterpenoid isolated from several plant species and is a strong feeding deterrent for the melaleuca weevil that retards larval development.


bixin dialdehyde

An apo carotenoid that is the dialdehyde obtained by reduction of the terminal methyl ester and carboxy groups of bixin.


OCIMENE

A beta-ocimene that consists of octa-1,3,6-triene bearing two methyl substituents at positions 3 and 7 (the 3E-isomer).


Latia luciferin

An apo carotenoid sesquiterpenoid that consists of a cylohexene ring substituted by methyl groups at positions 2, 6 and 6 and a (1E)-1-(formyloxy)-2-methylbut-1-en-4-yl group at position 2.


preaspterpenacid acid I

A pentacyclic sesterterpene derivative.


PHORBOL

A diterpenoid with the structure of tigliane hydroxylated at C-4, -9, -12(beta), -13 and -20, with an oxo group at C-3 and unsaturation at the 1- and 6-positions.


A p-menthane monoterpenoid that is p-menth-2-ene substituted by a hydroperoxy group at position 1 and an acetyloxy group at position 8 (the 1R,4S stereoisomer). Isolated from the leaves of Laurus nobilis, it exhibits trypanocidal activity.


A carbobicylic compound that is (8aS)-1,2,3,3a,4,5,8,8a-octahydroazulene substituted by a propan-2-ylidene, methyl and methyl groups at positions 1, 3aR and 6, respectively.


A triterpenoid saponin with rubiarbonol A as the aglycone. It has been isolated from the roots of Rubia yunnanensis.


igalan

A sesquiterpene lactone that is  hexahydro-1-benzofuran-2(3H)-one substituted by a methyl group at position 6, methylene group at position 3, isopropenyl group at position 5 and a vinyl group at position 6. Isolated from Inula helenium and Rudbeckia laciniata, it exhibits antiproliferative activity.


A dodecaprenyl diphosphate having two (E)- and nine (Z)-double bonds.


A hexacyclic triterpenoid that consists of oleanane substituted by hydroxy groups at 3beta, 16alpha and C-30 positions and an oxolane bridge across positions 13 and 28.


A steroid acid that is 4beta,14-dimethyl-5alpha,9beta-9,19-cyclocholest-24-en-3beta-ol in which the 4alpha hydrogen has been replaced by a carboxy group.


areptin A

A diterpenoid isolated from the aerial parts of Ajuga reptans.


A pentacyclic triterpenoid that is lupane in which the hydrogens at the 3beta and 20 positions are substituted by hydroxy groups.


KALOPANAXSAPONIN B

A triterpenoid saponin with  hederagenin as the aglycone part. It has been isolated from the stem bark of Kalopanax pictus.


beta-geranylfarnesene

A sesterterpene that is beta-farnesene in which one of the terminal methyl hydrogens has been replaced by a geranyl group.


alatolide

A germacrane sesquiterpenoid laactone obtained by formal condensation of the carboxy group of isobutyric acid with the secondary hydroxy group of trihydroxygermaeranolide.


rubiarbonol A 7-acetate

A pentacyclic triterpenoid that is rubiarbonol A in which the hydroxy group at position 7 is replaced by an acetyloxy group. It has been isolated from the roots of Rubia yunnanensis.


A squalene triterpenoid obtained by epoxidation accross the 2,3- and 22,23-double bonds of squalene.


BARRINGTOGENOL C

A pentacyclic triterpenoid that is olean-12-ene substituted by hydroxy groups at positions 3, 16, 21, 22 and 28 (the 3beta,16alpha,21beta,22alpha stereoisomer).


A  triterpenoid saponin that is cucurbitacin I attached to a beta-D-glucopyranosyl residue at position 2 via a glycosidic linkage. It has been isolated from  Machilus yaoshansis.


gibberellin A44

A  C20-gibberellin with a heteropentacyclic skeleton that incorporates a lactone moiety.


CAESALPININ C

A tetracyclic diterpenoid isolated from the seed kernels of Caesalpinia crista that has been found to exhibit antimalarial activity.


(R)-(+)-alpha-terpineol

The (4R)-stereoiosmer of alpha-terpineol.


daturadiol

A pentacyclic triterpenoid that is olean-12-ene in which the hydrogens at the 3beta and 6beta positions have been replaced by hydroxy groups. Found in the seeds of the downy thorn-apple, Datura innoxia.


23,24-DIHYDROCUCURBITACIN B

A 23,24-dihydrocucurbitacin in which a lanostane skeleton is multi-substituted with hydroxy, methyl and oxo substituents, with unsaturation at position 5; a hydroxy function at C-25 is acetylated.


LOBOHEDLEOLIDE

A cembrane diterpenoid isolated from Lobophytum hedleyi and Lobophytum. It exhibits anti-HIV-1 activity.


A phorbol ester that is 12-deoxyphorbol in which the hydroxy groups at positions 13 and 20 have been converted to their  respective 2-methylbutanoate and acetate esters.


oxonitine

A diterpene alkaloid with formula C33H43NO12, originally isolated from Aconitum carmichaeli.