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ID CAS Name Synonyms Molecular Formula Category
1116360-82-817-hydroxyjolkinolide BC20H28O4None
254868-50-7cupresolcupresol
(4aR)-1,2,3,4,4a,10b-Hexahydro-4aα-hydroxy-9-methoxy-4,4,10bα-trimethyl-8-(1-methylethyl)-6H-dibenzo[b,d]pyran-6-one
6H-Dibenzo[b,d]pyran-6-one, 1,2,3,4,4a,10b-hexahydro-4a-hydroxy-9-methoxy-4,4,10b-trimethyl-8-(1-methylethyl)-, (4aR,10bR)-
C20H28O4
3465-92-9MARRUBIINMarrubin
MARRUBIIN
MARRUBIIN(P)
Marrubiin CRS
MARRUBIIN(SH)
MarrubiuM bitter
5-[2-(3-furyl)ethyl]decahydro-5-hydroxy-1,4a,6-trimethyl-1,8-naphthalenecarbolactone
6β-[2-(3-Furanyl)ethyl]decahydro-6α-hydroxy-2aα,5aβ,7α-trimethyl-2H-naphtho[1,8-bc]furan-2-one
C20H28O4None;Di-Terpenoids
451493-69-7sordaricinsordaricin
(1R)-3-Isopropyl-4β-formyl-7β-methyl-8aβ-(hydroxymethyl)-1,3a,4,4aβ,5,6,7,7aα,8,8a-decahydro-1,4-methano-s-indacene-3aβ-carboxylic acid
(1R)-4β-Formyl-4,4aβ,5,6,7,7aα,8,8a-octahydro-8aβ-(hydroxymethyl)-3-isopropyl-7β-methyl-1α,4-methano-s-indacene-3aβ(1H)-carboxylic acid
(1R)-3-Isopropyl-4β-formyl-7β-methyl-8aβ-(hydroxymethyl)-1,4-methano-1,3a,4,4aβ,5,6,7,7aα,8,8a-decahydro-s-indacene-3aβ-carboxylic acid
1,4-Methano-s-indacene-3a(1H)-carboxylic acid, 4-formyl-4,4a,5,6,7,7a,8,8a-octahydro-8a-(hydroxymethyl)-7-methyl-3-(1-methylethyl)-, (1R,3aR,4S,4aR,7R,7aR,8aS)-
C20H28O4
5942480-13-9NemoralisinNemoralisin
2H-Pyran-2-one, 6-[(1E)-6-(4,5-dihydro-5,5-dimethyl-4-oxo-2-furanyl)-2-methyl-1-hepten-1-yl]-5,6-dihydro-4-methyl-, (6S)-
C20H28O4None
61608462-12-91608462-12-91608462-12-9
2,11,12-Trihydroxy-7,20-epoxy-8,11,13-abietatriene
C20H28O4
73650-09-7Carnosic acidsalvin
CarnosicAcid
CARNOSIC ACID
Carnosic acid
CARNOSOLIC ACID
CARNOSIC ACID(P)
CARNOSIC ACID(P)(NOW AVAILABLE IN GRAM SIZES)(P)
11,12-dihydroxyabieta-8(14),9(11),12-trien-20-oic acid
(5xi)-11,12-dihydroxyabieta-8(14),9(11),12-trien-20-oic acid
(4aR,10aS)-5,6-dihydroxy-1,1-dimethyl-7-propan-2-yl-2,3,4,9,10,10a-hexahydrophenanthrene-4a-carboxylic acid
(4aR-trans)-1,3,4,9,10,10a-Hexahydro-5,6-dihydroxy-1,1-dimethyl-7-(1-methylethyl)-4a(2H)-phenanthrenecarboxylic acid
4a(2H)-Phenanthrenecarboxylic acid, 1,3,4,9,10,10a-hexahydro-5,6-dihydroxy-1,1-dimethyl-7-(1-methylethyl)-, (4aR,10aS)-
C20H28O4Rodenticide;phytochemical;chemical reagent;Agricultural chemicals;pharmaceutical intermediate;reference standards from Chinese medicinal herbs (TCM).
852482-96-9MarrubiagenineMarrubiagenin
Marrubiagenine
5β-[2-(2,5-Dihydro-5-oxofuran-3-yl)ethyl]-3,4,4aβ,5,6,7,8,8a-octahydro-5,6α,8aβ-trimethyl-1-naphthalenecarboxylic acid
1-Naphthalenecarboxylic acid, 5-[2-(2,5-dihydro-5-oxo-3-furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-5,6,8a-trimethyl-, (4aR,5S,6R,8aS)-
C20H28O4
979498-31-0Glaucocalyxin ALeucamenin F
Wangzaozin B
LeukaMenin F
glaucocalyxin
glaucocalyxin A
Glaucocalyxin A
Glaucocalyxin D
ent-7β,14α-Dihydroxy-16-kauren-3,15-dione
Kaur-16-ene-3,15-dione, 7,14-dihydroxy-, (7α,14R)-
C20H28O4Plant extract;Standard substance;Reference substance;Standard substance-tradi;Traditional Chinese medicine reference substance;Reference substance-traditional Chinese medicine reference substance
1040433-82-7Pinusolidic acidConifers acid
Pinusolidic acid
pinusolidic acid
1-Naphthalenecarboxylic acid, 5-[2-(2,5-dihydro-2-oxo-3-furanyl)ethyl]decahydro-1,4a-dimethyl-6-methylene-, (1S,4aR,5S,8aR)-
C20H28O4Standard;Diterpene;Plant extract;Standard-control medicinal materials
11830347-16-5Phlogacantholide BPhlogacantholide B
Phenanthro[3,2-b]furan-9(1H)-one, 2,3,4,4a,5,6,7,10a,11,11b-decahydro-7-hydroxy-4-(hydroxymethyl)-4,8,11b-trimethyl-, (4R,4aS,7S,10aR,11bR)-
C20H28O4None
121620842-81-0Petasin Impurity 24Impurities in Bee Dipper Vegetables 24C20H28O4
13212563-72-9Ebracteolatanolide AEbracteolatanolide A
1H-Oxireno[1,10a]phenanthro[3,2-b]furan-9(7aH)-one, 2,3,4,4a,5,6,10a,11,11a,11b-decahydro-11-hydroxy-4,4,8,11b-tetramethyl-, (4aR,6aS,7aR,10aR,11S,11aR,11bR)-
C20H28O4
14134418-28-3Dehydroandrographolide14-(P)
Dehydroandrographolide
DEHYDROANDROGRAPHOLIDE
Dehydroandrographoline
Dehydroanddrographolide
ANDROGRAPHOLIDE, DEHYDRO-
andrographolide, Dehydro-
14-Deoxy-11-dehydroandrographolide
DEOXY-11,12-DIDEHYDROANDROGRAPHOLIDE
DEOXY-11,12-DiDehydroandrographolide
2(3H)-Furanone,3-[2-[(1S,4aS,5R,6R,8aS)-decahydro-
(3E)-3-[2-[(1S,4aS,5R,6R,8aS)-Decahydro-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethyl-2-methylene-1-naphthalenyl]ethylidene]-2(3H)-furanone
C20H28O4Ex;phytochemical;Plant extracts;chemical reagent;Standard substance;Reference substance;Analysis of standards;Small molecule inhibitors;pharmaceutical intermediate;standardized herbal extract
152394-25-417-Deoxy Cortienic Acid17-Deoxy Cortienic AcidC20H28O4
167758-47-67β,18-Dihydroxykaurenolide7β,18-Dihydroxykaurenolide
(-)-7,18-Dihydroxykaurenolid
6α,7β,19-Trihydroxykaur-16-en-18-oic acid γ-lactone
(-)-6α,7β,19-Trihydroxykaur-16-en-18-oic acid 18,6-lactone
C20H28O4
177β,12α-Dihydroxykaurenolide7β,12α-DihydroxykaurenolideC20H28O4
18122712-73-6(4β)-Kaur-15-ene-17,18-dioic acid(4β)-Kaur-15-ene-17,18-dioic acidC20H28O4
19155205-64-47α,15-Dihydroxydehydroabietic acid7α,15-Dihydroxydehydroabieticacid
7α,15-Dihydroxydehydroabietic acid
7alpha,15-Dihydroxydehydroabietic acid
1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,9,10,10a-octahydro-9-hydroxy-7-(1-hydroxy-1-methylethyl)-1,4a-dimethyl-, (1R,4aS,9R,10aR)-
C20H28O4None
2072008-03-82-Geranyl-4-isobutyrylphloroglucinol2-Geranyl-4-isobutyrylphloroglucinol
2-Geranyl-4-(2-methylpropanoyl)phloroglucinol
3-Geranyl-1-(2'-methylpropanoyl)phloroglucinol
1-Propanone, 1-[3-[(2E)-3,7-dimethyl-2,6-octadien-1-yl]-2,4,6-trihydroxyphenyl]-2-methyl-
C20H28O4None
215,8-Epidioxy-5,8-dihydroretinoic acid5,8-Epidioxy-5,8-dihydroretinoic acidC20H28O4
2242895-58-914-Deoxy-11,12-didehydroandrographolideAP 10
14-DEOXY-11,12-DIDEHYDROANDROGRAPHOLIDE
11,12-Didehydro-14-deoxyandrographolide
14-Deoxy-11,14-didehydroandrographolide
14-Deoxy-11,12-didehydroandrographolide
Deoxy-11,12-Didehydroandrographolide, 14-
ent-(3β,11E)-3,19-Dihydroxy-8(17),11,13-labdatrien-16,15-olide
3-[(E)-2-[(1R,4aβ)-2-Methylene-5α-(hydroxymethyl)-5,8aα-dimethyl-6α-hydroxydecalin-1α-yl]ethenyl]-2,5-dihydrofuran-2-one
3-[(1E)-2-[(1R,4aS,5R,6R,8aR)-Decahydro-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethyl-2-methylene-1-naphthalenyl]ethenyl]- 2(5H)-furanone
C20H28O4general;standard;diterpene;plant extract;chemical raw materials;standard-control medicine;Analytical reagent standard;Chinese herbal medicine composition;traditional Chinese medicine reference
231855905-16-6Labda-12E,14-dien-16,15-olid-17-oic acidLabda-12E,14-dien-16,15-olid-17-oic acidC20H28O4
2477658-39-0ent-9-Hydroxy-15-oxokaur-16-en-19-oic acidPterokaurene L1
15-Oxo-9-hydroxykaur-16-en-18-oic acid
ent-9-Hydroxy-15-oxo-16-kauren-19-oic acid
ent-9-Hydroxy-15-oxokaur-16-en-19-oic acid
Kaur-16-en-18-oic acid, 9-hydroxy-15-oxo-, (4α)-
(5β,8α,9β,10α,13α)-9-Hydroxy-15-oxokaur-16-en-18-oicaci
C20H28O4None
25106623-23-83,10-Dihydroxydielmentha-5,11-diene-4,9-dione9-dione
11-diene-4
10-Dihydroxydielmentha-5
3,10-DIHYDROXYDIELMENTHA-5,11-DI
3,10-Dihydroxy-5,11-dielMenthadiene-4,9-dione
3,10-DihydroxydielMentha-5,11-diene-4,9-dione
3,10-Dihydroxydielmentha-5,11-diene-4,9-dione
(1S,4S,4aS,5R,8aR,9R)-4,4a,5,8a-Tetrahydro-5,9-dihydroxy-5,9-dimethyl-2,8-bis(1-methylethyl)-1,4-ethanonaphthalene-6,10(4H)-dione
1,4-Ethanonaphthalene-6,10(4H)-dione, 4,4a,5,8a-tetrahydro-5,9-dihydroxy-5,9-dimethyl-2,8-bis(1-methylethyl)-, (1S,4S,4aS,5R,8aR,9R)-
C20H28O4None
26946572-73-2Capsiconiate (Coniferyl (E)-8-methyl-6-nonenoate)Capsiconiate
Capsiconiate (Coniferyl (E)-8-methyl-6-nonenoate)
C20H28O4
27213905-35-21-Acetoxy-9,17-octadecadiene-12,14-diyne-11,16-diol1-Acetoxy-9,17-octadecadiene-12,14-diyne-11,16-diol
11,16-Dihydroxyoctadeca-9,17-dien-12,14-diyn-1-yl acetate
9,17-Octadecadiene-12,14-diyne-1,11,16-triol, 1-acetate, (9Z,11S,16R)-
C20H28O4None
28691009-85-516-Hydroxy-8(17),13-labdadien-15,16-olid-19-oic acid16-Hydroxy-8(17)
16-olid-19-oic acid
16-HYDROXY-8(17),13-LABDADIEN-1
16-Hydroxy-8(17),13-labdadien-15,16-olid-19-oic acid
1-Naphthalenecarboxylic acid, 5-[2-(2,5-dihydro-2-hydroxy-5-oxo-3-furanyl)ethyl]decahydro-1,4a-dimethyl-6-methylene-, (1S,4aR,5S,8aR)-
C20H28O4None
294-ANDROSTEN-17-ALPHA-OL-3-ONE-17-BETA-CARBOXYLIC ACID4-ANDROSTEN-17-ALPHA-OL-3-ONE-17-BETA-CARBOXYLIC ACIDC20H28O4
3019018-46-36α,7β,13-Trihydroxykaur-16-en-18-oic acid γ-lactone7β,13-Dihydroxykaurenolide
6α,7β,13-Trihydroxykaur-16-en-18-oic acid γ-lactone
C20H28O4
3195480-51-64,8-Bis(methacryloyloxymethyl)tricyclo[5.2.1.02,6]decane4,8-Bis(methacryloyloxymethyl)tricyclo[5.2.1.02,6]decane
Bismethacrylic acid tricyclo[5.2.1.02,6]decane-4,8-diylbismethylene ester
Bismethacrylic acid (octahydro-4,7-methano-1H-indene-2,5-diyl)bis(methylene) ester
C20H28O4
32935293-70-2(4→2)-Abeo-16-hydroxycleroda-2,13-dien-15,16-olide-3-al2-Formyl-16ξ-hydroxy-3-A-norcleroda-213-dien-1516-olide
(4→2)-Abeo-16-hydroxycleroda-2,13-dien-15,16-olide-3-al
1H-Indene-2-carboxaldehyde, 7-[2-(2,5-dihydro-2-hydroxy-5-oxo-3-furanyl)ethyl]-3a,4,5,6,7,7a-hexahydro-3,3a,6,7-tetramethyl-, (3aR,6R,7S,7aR)-
C20H28O4None
33[(E)-2-Methyl-6-phenyl-2-hexenyl]malonic acid diethyl ester[(E)-2-Methyl-6-phenyl-2-hexenyl]malonic acid diethyl esterC20H28O4
3436614-32-19-OXO-15S-HYDROXY-PROSTA-5Z,8(12),13E,17Z-TETRAEN-1-OIC ACIDPGB3
PROSTAGLANDIN B3
DQRGQQAJYRBDRP-UNBCGXALSA-N
9-OXO-15S-HYDROXY-PROSTA-5Z,8(12),13E,17Z-TETRAEN-1-OIC ACID
(5Z,13E,15S,17Z)-15-Hydroxy-9-oxoprosta-5,8(12),13,17-tetraen-1-oic acid
7-[2-[(3S)-3-hydroxyocta-1,5-dienyl]-5-oxocyclopenten-1-yl]hept-5-enoic acid
C20H28O4
355218-85-9Androst-4-en-19-oic acid, 17β-hydroxy-17-methyl-3-oxo- (8CI)Androst-4-en-19-oic acid, 17β-hydroxy-17-methyl-3-oxo- (8CI)C20H28O4
3693962-78-8(octahydro-4,7-methanoindene-1H-diyl)bis(methylene) dicrotonate(octahydro-4,7-methanoindene-1H-diyl)bis(methylene) dicrotonateC20H28O4
3777658-41-4(4R,5β,8α,9β,10α,12α)-9-Hydroxy-15-oxoatis-16-en-18-oic acidPteroatisene P1
(4R,5β,8α,9β,10α,12α)-9-Hydroxy-15-oxoatis-16-en-18-oic acid
C20H28O4
3843048-08-4(octahydro-4,7-methano-1H-indenediyl)bis(methylene) bismethacrylateTricyclodecane dimethanol Dimethacylate
Tricyclodecane dimethanol dimethacrylate
(octahydro-4,7-methano-1H-indenediyl)bis(methylene) bismethacrylate
2-Propenoic acid, 2-methyl-, (octahydro-4.7-methano-1H-indene-5,7-diyl)bis(methylene) ester 3(4),8(9)-Dimethacryloyloxymethyltricyclo [5.2.1.O2.6] decan 2-propenoic acid, 2-methyl-, (octahydro-4,7-methano-1h-indene-5,-diyl)bis(meth ylene) ester 2-propenoic acid, 2-methyl-,(octahydro-4,7-methano-1h-indene-5,-diyl)bis(methylene) ester 2-Propenoic acid,2-methyl-,(octahydro-4.7-methano-1H-indene-5,7-diyl)bis(methylene)ester
C20H28O4
3984006-57-51-Methyl-2-((2-methyl-1-oxo-3-phenyl-2-propenyl)oxy)propyl hexanoate1-Methyl-2-((2-methyl-1-oxo-3-phenyl-2-propenyl)oxy)propyl hexanoate
Hexanoic acid, 1-methyl-2-[(2-methyl-1-oxo-3-phenyl-2-propen-1-yl)oxy]propyl ester
C20H28O4
4052590-97-3(5Z,13E,15S,17Z)-15-Hydroxy-9-oxoprosta-5,11,13,17-tetraen-1-oic acidPGC3
Prostaglandin C3
(5Z,13E,15S,17Z)-15-Hydroxy-9-oxoprosta-5,11,13,17-tetraen-1-oic acid
Prosta-5,11,13,17-tetraen-1-oic acid, 15-hydroxy-9-oxo-, (5Z,13E,15S,17Z)-
C20H28O4
4164924-07-83-[(E)-3,7-Dimethyl-2,6-octadienyl]-2,4-dihydroxy-6-propylbenzoic acid3-[(E)-3,7-Dimethyl-2,6-octadienyl]-2,4-dihydroxy-6-propylbenzoic acidC20H28O4
42Bismethacrylic acid tricyclo[5.2.1.02,6]decane-3,8-diylbismethylene esterBismethacrylic acid (4,7-methanooctahydro-1H-indene-1,5-diyl)bis(methylene) ester
Bismethacrylic acid tricyclo[5.2.1.02,6]decane-3,8-diylbismethylene ester
C20H28O4
434-(2,4,6-Trimethylbenzoyl)-2,3-dimethyl-4-oxobutyric acid tert-butyl ester4-(2,4,6-Trimethylbenzoyl)-2,3-dimethyl-4-oxobutyric acid tert-butyl esterC20H28O4
445880-42-22-Methyl-1-[2,4,6-trihydroxy-3,5-bis(3-methyl-2-butenyl)phenyl]-1-propanone4-Deoxycohumulone
2-(1-Oxo-2-methylpropyl)-4,6-bis(3-methyl-2-butenyl)benzene-1,3,5-triol
2-Methyl-1-[2,4,6-trihydroxy-3,5-bis(3-methyl-2-butenyl)phenyl]-1-propanone
1-Propanone, 2-methyl-1-[2,4,6-trihydroxy-3,5-bis(3-methyl-2-buten-1-yl)phenyl]-
C20H28O4
45468-62-23,3-Bis(3-methyl-2-butenyl)-5-(3-methyl-1-oxobutyl)-1,2,4-cyclopentanetrioneHulupone
3,3-Bis(3-methyl-2-butenyl)-5-(3-methyl-1-oxobutyl)-1,2,4-cyclopentanetrione
1,2,4-Cyclopentanetrione, 3,3-bis(3-methyl-2-buten-1-yl)-5-(3-methyl-1-oxobutyl)-
C20H28O4
46130675-12-6(E)-(5R,7R)-8-BENZYLOXY-7-HYDROXY-5-METHYL-5-VINYL-OCT-2-ENOIC ACID ETHYL ESTER(5R,7R,E)-Ethyl 8-(benzyloxy)-7-hydroxy-5-methyl-5-vinyloct-2-enoate
(E)-(5R,7R)-8-BENZYLOXY-7-HYDROXY-5-METHYL-5-VINYL-OCT-2-ENOIC ACID ETHYL ESTER
2-Octenoic acid, 5-ethenyl-7-hydroxy-5-methyl-8-(phenylmethoxy)-, ethyl ester, [R-[R*,R*-(E)]]- (9CI)
C20H28O4
4756154-57-52,3-Dihydro-5-hydroxy-2,2-dimethyl-3-(3-oxobutyl)-7-pentyl-4H-1-benzopyran-4-oneCannabichromanone
2,3-Dihydro-5-hydroxy-2,2-dimethyl-3-(3-oxobutyl)-7-pentyl-4H-1-benzopyran-4-one
4H-1-Benzopyran-4-one, 2,3-dihydro-5-hydroxy-2,2-dimethyl-3-(3-oxobutyl)-7-pentyl-, (3S)-
C20H28O4
4851243-47-12-Propenoic acid, butyl ester, polymer with ethenylbenzene and ethyl 2-propenoate2-Propenoic acid, butyl ester, polymer with ethenylbenzene and ethyl 2-propenoateC20H28O4
495ALPHA-ANDROSTAN-17BETA-CARBOXYLIC ACID-3BETA,18-DIOL-11BETA,18-EPOXY GAMMA LACTONE5ALPHA-ANDROSTAN-17BETA-CARBOXYLIC ACID-3BETA,18-DIOL-11BETA,18-EPOXY GAMMA LACTONEC20H28O4
506-(2-FURAN-3-YL-ETHYL)-6-HYDROXY-2A,5A,7-TRIMETHYL-DECAHYDRO-NAPHTHO[1,8-BC]FURAN-2-ONE6-(2-FURAN-3-YL-ETHYL)-6-HYDROXY-2A,5A,7-TRIMETHYL-DECAHYDRO-NAPHTHO[1,8-BC]FURAN-2-ONEC20H28O4
5125301-37-52-Propenoic acid, 2-methyl-, polymer with butyl 2-methyl-2-propenoate and ethenylbenzene2-Propenoic acid, 2-methyl-, polymer with butyl 2-methyl-2-propenoate and ethenylbenzeneC20H28O4Polymers
5271302-28-83α-Hydroxy-4β-hydroxymethyl-4,8-dimethyl-18-nor-16-oxa-5α-androsta-13(17),14-dien-2-oneSpongiadiol
3α-Hydroxy-4β-hydroxymethyl-4,8-dimethyl-18-nor-16-oxa-5α-androsta-13(17),14-dien-2-one
C20H28O4
5379694-64-72,6,10-Tridecatrienoicacid, 13-(2,5-dihydro-5-oxo-3-furanyl)-2,6,10-trimethyl-, (2Z,6E,10E)-2,6,10-Tridecatrienoicacid, 13-(2,5-dihydro-5-oxo-3-furanyl)-2,6,10-trimethyl-, (2Z,6E,10E)-C20H28O4
5427136-15-82-Propenoic acid, 2-methyl-, methyl ester, polymer with butyl 2-propenoate and ethenylbenzeneButyl acrylate·methyl methacrylate·styrene copolymer
METHACRYLIC ACID METHYL ESTER-BUTYL-2-PROPENOATE-ETHYLBENZENE POLYMER
2-Propenoic acid, 2-methyl-, methyl ester, polymer with butyl 2-propenoate and ethenylbenzene
C20H28O4Polymers
55(6E,10E)-2,6,10-Trimethyl-13-[(4,5-epoxy-2-oxotetrahydrofuran)-3-yl]trideca-2,6,10-trien-4-one(6E,10E)-2,6,10-Trimethyl-13-[(4,5-epoxy-2-oxotetrahydrofuran)-3-yl]trideca-2,6,10-trien-4-oneC20H28O4
56(2E,6E)-9-[(2,5-Dihydro-2-oxofuran)-4-yl]-2-(4-methyl-3-pentenyl)-6-methyl-2,6-nonadienoic acid(2E,6E)-9-[(2,5-Dihydro-2-oxofuran)-4-yl]-2-(4-methyl-3-pentenyl)-6-methyl-2,6-nonadienoic acidC20H28O4
57(6E,10E)-2,6,10-Trimethyl-13-[(2,5-dihydro-2-hydroxy-5-oxofuran)-3-yl]trideca-2,6,10-trien-4-one(6E,10E)-2,6,10-Trimethyl-13-[(2,5-dihydro-2-hydroxy-5-oxofuran)-3-yl]trideca-2,6,10-trien-4-oneC20H28O4
585-(4-Hydroxybutyl)-2-[(2R)-2-(1-methylethenyl)-5-(hydroxymethyl)-5-cyclohexen-1-yl]benzene-1,3-diol5-(4-Hydroxybutyl)-2-[(2R)-2-(1-methylethenyl)-5-(hydroxymethyl)-5-cyclohexen-1-yl]benzene-1,3-diolC20H28O4
595-(Butyl)-2-[(2R)-2-(1-methylethenyl)-4-hydroxy-5-(hydroxymethyl)-5-cyclohexen-1-yl]benzene-1,3-diol5-(Butyl)-2-[(2R)-2-(1-methylethenyl)-4-hydroxy-5-(hydroxymethyl)-5-cyclohexen-1-yl]benzene-1,3-diolC20H28O4
6062824-08-2(1R,3S,5S,8E,13R)-5,9,13-Trimethyl-16-methylene-4,14-dioxatricyclo[11.3.2.03,5]octadec-8-ene-12,15-dione11-Dehydrosinulariolide
(1R,3S,5S,8E,13R)-5,9,13-Trimethyl-16-methylene-4,14-dioxatricyclo[11.3.2.03,5]octadec-8-ene-12,15-dione
4,14-Dioxatricyclo[11.3.2.03,5]octadec-8-ene-12,15-dione, 5,9,13-trimethyl-16-methylene-, (1R,3S,5S,8E,13R)-
C20H28O4
61111139-69-6(5α,9α,10β)-2α-Hydroxy-4β-(hydroxymethyl)-4,8β-dimethyl-18-nor-16-oxaandrosta-13(17),14-diene-3-oneIsospongiadiol
2α-Hydroxy-4β-(hydroxymethyl)-4,8-dimethyl-18-nor-16-oxa-5α-androsta-13(17),14-dien-3-one
(5α,9α,10β)-2α-Hydroxy-4β-(hydroxymethyl)-4,8β-dimethyl-18-nor-16-oxaandrosta-13(17),14-diene-3-one
Phenanthro[1,2-c]furan-7(3bH)-one, 4,5,5a,6,8,9,9a,9b,10,11-decahydro-8-hydroxy-6-(hydroxymethyl)-3b,6,9a-trimethyl-, (3bR,5aR,6S,8R,9aR,9bR)- (9CI)
C20H28O4
6221764-41-0(4bS)-4b,5,6,7,8,8aβ,9,10-Octahydro-3,10α-dihydroxy-2-isopropyl-4bα,8,8-trimethyl-1,4-phenanthrenedioneTaxaquinone
(+)-Taxoquinone
YVSUCPNWDPTGKM-PVUDRZGPSA-N
7beta,12-Dihydroxy-13-isopropyl-podocarpa-8,12-diene-11,14-dione
(4bS)-4b,5,6,7,8,8aβ,9,10-Octahydro-3,10α-dihydroxy-2-isopropyl-4bα,8,8-trimethyl-1,4-phenanthrenedione
1,4-Phenanthrenedione, 4b,5,6,7,8,8a,9,10-octahydro-3,10-dihydroxy-4b,8,8-trimethyl-2-(1-methylethyl)-, (4bS,8aS,10S)-
C20H28O4Other natural products
631,2,3,4,4a,10b-Hexahydro-4a-hydroxy-9-methoxy-4,4,10b-trimethyl-8-(1-methylethyl)-6H-dibenzo[b,d]pyran-6-onePodocarpuslactol
1,2,3,4,4a,10b-Hexahydro-4a-hydroxy-9-methoxy-4,4,10b-trimethyl-8-(1-methylethyl)-6H-dibenzo[b,d]pyran-6-one
C20H28O4
6456298-88-52-Methyl-2-butenoic acid 4,4a,5,6,7,8,8a,9-octahydro-8a-hydroxy-3,4a,5-trimethylnaphtho[2,3-b]furan-6-yl ester2-Methyl-2-butenoic acid 4,4a,5,6,7,8,8a,9-octahydro-8a-hydroxy-3,4a,5-trimethylnaphtho[2,3-b]furan-6-yl ester
2-Butenoic acid, 2-methyl-, 4,4a,5,6,7,8,8a,9-octahydro-8a-hydroxy-3,4a,5-trimethylnaphtho[2,3-b]furan-6-yl ester
C20H28O4
65129454-96-22,4,6-Octatrienoic acid, 7-(3,5,6,7,8,8a-hexahydro-5,5,8a-trimethyl-1,2-benzodioxin-3-yl)-3-methyl-, (2E,4E,6E)-2,4,6-Octatrienoic acid, 7-(3,5,6,7,8,8a-hexahydro-5,5,8a-trimethyl-1,2-benzodioxin-3-yl)-3-methyl-, (2E,4E,6E)-
Isotretinoin Impurity 18
C20H28O4
6668121-91-53a,4,5,5a,9,10,10a,10b-Octahydro-9-hydroxy-8-hydroxymethyl-3a,5a-dimethyl-1-isopropylcyclohept[e]indene-3,6-dioneAllocyathin B4
Allocyafrin B4
3a,4,5,5a,9,10,10a,10b-Octahydro-9-hydroxy-8-hydroxymethyl-3a,5a-dimethyl-1-isopropylcyclohept[e]indene-3,6-dione
Cyclohept[e]indene-3,6-dione, 3a,4,5,5a,9,10,10a,10b-octahydro-9-hydroxy-8-(hydroxymethyl)-3a,5a-dimethyl-1-(1-methylethyl)- (9CI)
C20H28O4
67[(1R,8aS)-7-(2-hydroxypropan-2-yl)-1,8a-dimethyl-6-oxo-1,2,3,4-tetrahydronaphthalen-2-yl] (Z)-2-methylbut-2-enoate[(1R,8aS)-7-(2-hydroxypropan-2-yl)-1,8a-dimethyl-6-oxo-1,2,3,4-tetrahydronaphthalen-2-yl] (Z)-2-methylbut-2-enoateC20H28O4
68139471-03-74a(2H)-Phenanthrenecarboxaldehyde, 1,3,4,9,10,10a-hexahydro-5,6-dihydroxy-7-(2-hydroxy-1-methylethyl)-1,1-dimethyl-4a(2H)-Phenanthrenecarboxaldehyde, 1,3,4,9,10,10a-hexahydro-5,6-dihydroxy-7-(2-hydroxy-1-methylethyl)-1,1-dimethyl-C20H28O4
69(9E,13E)-6-Acetyl-5-hydroxy-9,13-dimethyl-3-methylene-3,3a,4,5,6,7,8,11,12,14a-decahydro-2H-cyclotrideca[b]furan-2-one(9E,13E)-6-Acetyl-5-hydroxy-9,13-dimethyl-3-methylene-3,3a,4,5,6,7,8,11,12,14a-decahydro-2H-cyclotrideca[b]furan-2-oneC20H28O4
7065003-68-1(5R)-5,6,7,8-Tetrahydro-4-hydroxy-8β-[(1S,4E)-6-hydroxy-1,5-dimethyl-4-hexenyl]-5α-methyl-2-naphthalenecarboxylic acidDihydroxyserrulatic acid
(5R)-5,6,7,8-Tetrahydro-4-hydroxy-8β-[(1S,4E)-6-hydroxy-1,5-dimethyl-4-hexenyl]-5α-methyl-2-naphthalenecarboxylic acid
2-Naphthalenecarboxylic acid, 5,6,7,8-tetrahydro-4-hydroxy-8-(6-hydroxy-1,5-dimethyl-4-hexenyl)-5-methyl-, [5R-[5α,8β(1S*,4E)]]- (9CI)
C20H28O4
71(5S,6R,8aR)-5-(2-Furan-3-yl-ethyl)-8a-hydroxymethyl-5,6-dimethyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalene-1-carboxylicacid(5S,6R,8aR)-5-(2-Furan-3-yl-ethyl)-8a-hydroxymethyl-5,6-dimethyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalene-1-carboxylicacidC20H28O4
72(3S,5S,6R,8AS)-5-(2-FURAN-3-YL-ETHYL)-3-HYDROXY-5,6,8A-TRIMETHYL-3,4,4A,5,6,7,8,8A-OCTAHYDRO-NAPHTHALENE-1-CARBOXYLIC ACID(3S,5S,6R,8AS)-5-(2-FURAN-3-YL-ETHYL)-3-HYDROXY-5,6,8A-TRIMETHYL-3,4,4A,5,6,7,8,8A-OCTAHYDRO-NAPHTHALENE-1-CARBOXYLIC ACIDC20H28O4
7364185-22-4(Z)-2-Methyl-2-butenoic acid [(1S,3S,4Z,7S,10R)-4,10-dimethyl-7-isopropenyl-9-oxo-11-oxabicyclo[8.1.0]undec-4-en-3-yl] esterLigularinone B
(Z)-2-Methyl-2-butenoic acid [(1S,3S,4Z,7S,10R)-4,10-dimethyl-7-isopropenyl-9-oxo-11-oxabicyclo[8.1.0]undec-4-en-3-yl] ester
2-Butenoic acid, 2-methyl-, (1S,3S,4Z,7S,10R)-4,10-dimethyl-7-(1-methylethenyl)-9-oxo-11-oxabicyclo[8.1.0]undec-4-en-3-yl ester, (2Z)- (9CI)
C20H28O4
741353042-00-82H-9,4a-(Epoxymethano)phenanthrene-5,6,10-triol, 1,3,4,9,10,10a-hexahydro-1,1-dimethyl-7-(1-methylethyl)-, (4aR,9R,10R,10aS)-2H-9,4a-(Epoxymethano)phenanthrene-5,6,10-triol, 1,3,4,9,10,10a-hexahydro-1,1-dimethyl-7-(1-methylethyl)-, (4aR,9R,10R,10aS)-
7β,20-Epoxyabieta-8,11,13-triene-6α,11,12-triol
C20H28O4
75260406-45-92(5H)-Furanone, 4-[(1E)-2-[(1S,4R,4aS,8aR)-decahydro-4-hydroxy-5,5,8a-trimethyl-2-methylene-1-naphthalenyl]ethenyl]-5-hydroxy-2(5H)-Furanone, 4-[(1E)-2-[(1S,4R,4aS,8aR)-decahydro-4-hydroxy-5,5,8a-trimethyl-2-methylene-1-naphthalenyl]ethenyl]-5-hydroxy-
Yunnancoronarin C
C20H28O4
76873778-64-42,4-Pentadienoic acid, 3-methyl-5-[4-methyl-4-[(1E)-2-(2,6,6-trimethyl-1-cyclohexen-1-yl)ethenyl]-1,2-dioxetan-3-yl]-, (2E,4E)-2,4-Pentadienoic acid, 3-methyl-5-[4-methyl-4-[(1E)-2-(2,6,6-trimethyl-1-cyclohexen-1-yl)ethenyl]-1,2-dioxetan-3-yl]-, (2E,4E)-
Isotretinoin Impurity 17
C20H28O4
7771117-53-84,4a,5,6,9,10,11,11a-Octahydro-9-hydroxy-4-(4-hydroxy-4-methyl-2-pentenylidene)-7-methyl-11-methylenecyclonona[c]pyran-3(1H)-oneIsoxeniolide A
4,4a,5,6,9,10,11,11a-Octahydro-9-hydroxy-4-(4-hydroxy-4-methyl-2-pentenylidene)-7-methyl-11-methylenecyclonona[c]pyran-3(1H)-one
Cyclonona[c]pyran-3(1H)-one, 4,4a,5,6,9,10,11,11a-octahydro-9-hydroxy-4-[(2E)-4-hydroxy-4-methyl-2-penten-1-ylidene]-7-methyl-11-methylene-, (4Z,4aS,7E,9R,11aR)-
C20H28O4
7868121-93-7(3aS)-2,3,3a,4,5,5a,6,9,10,10aβ-Decahydro-9α-hydroxy-8-hydroxymethyl-3aβ,5aα-dimethyl-1-isopropylcyclohept[e]indene-2,6-dioneCyafrin B4
(3aS)-2,3,3a,4,5,5a,6,9,10,10aβ-Decahydro-9α-hydroxy-8-hydroxymethyl-3aβ,5aα-dimethyl-1-isopropylcyclohept[e]indene-2,6-dione
Cyclohept[e]indene-2,6-dione, 3,3a,4,5,5a,9,10,10a-octahydro-9-hydroxy-8-(hydroxymethyl)-3a,5a-dimethyl-1-(1-methylethyl)-, (3aS,5aR,9R,10aR)-
C20H28O4
7967517-02-6[4aS,(-)]-5α-[2-(2,5-Dihydro-2-oxofuran-3-yl)ethyl]-3,4,4aα,5,6,7,8,8a-octahydro-5,6β,8aα-trimethyl-1-naphthalenecarboxylic acidFloridiolide A
(-)-Floridiolide A
[4aS,(-)]-5α-[2-(2,5-Dihydro-2-oxofuran-3-yl)ethyl]-3,4,4aα,5,6,7,8,8a-octahydro-5,6β,8aα-trimethyl-1-naphthalenecarboxylic acid
1-Naphthalenecarboxylic acid, 5-[2-(2,5-dihydro-2-oxo-3-furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-5,6,8a-trimethyl-, (4aS,5R,6S,8aR)-
C20H28O4
80114020-67-61-Naphthalenecarboxylic acid, 5-[2-(2,5-dihydro-2-oxo-3-furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-5,6,8a-trimethyl-, (4aR,5S,6R,8aR)-(-)-Patagonic acid
1-Naphthalenecarboxylic acid, 5-[2-(2,5-dihydro-2-oxo-3-furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-5,6,8a-trimethyl-, (4aR,5S,6R,8aR)-
C20H28O4
8139931-89-0(5R,10R,13S,17S)-13-methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[5,10-epoxycyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol187471
Estr-9(11)-en-3-one, 5,10-epoxy-17-hydroxy-, cyclic 1,2-ethanediyl acetal, (5α,10α,17β)-
(5R,10R,13S,17S)-13-methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[5,10-epoxycyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol
C20H28O4
82110965-99-6Cyclotetradeca[b]furan-10-carboxylic acid, 2,3,3a,4,5,8,9,12,13,15a-decahydro-6,14-dimethyl-2-oxo-, methyl ester, (3aR*,6E,10Z,14E,15aR*)-Cyclotetradeca[b]furan-10-carboxylic acid, 2,3,3a,4,5,8,9,12,13,15a-decahydro-6,14-dimethyl-2-oxo-, methyl ester, (3aR*,6E,10Z,14E,15aR*)-C20H28O4
8324894-29-91H-Benz[e]indene-3,7(2H,3aH)-dione, 4,5,8,9,9a,9b-hexahydro-3a-methyl-6-[2-(2-methyl-1,3-dioxolan-2-yl)ethyl]-, [3aS-(3aα,9aα,9bβ)]- (9CI)1H-Benz[e]indene-3,7(2H,3aH)-dione, 4,5,8,9,9a,9b-hexahydro-3a-methyl-6-[2-(2-methyl-1,3-dioxolan-2-yl)ethyl]-, [3aS-(3aα,9aα,9bβ)]- (9CI)C20H28O4
84318234-63-83H-Cyclopent[e]oxacyclotridecin-5,12-dione, 9,10-didehydro-6,7,8,11,11a,13,14,14a-octahydro-14-hydroxy-3-pentyl-, (1E,3S,11aR,14R,14aR)- (9CI)3H-Cyclopent[e]oxacyclotridecin-5,12-dione, 9,10-didehydro-6,7,8,11,11a,13,14,14a-octahydro-14-hydroxy-3-pentyl-, (1E,3S,11aR,14R,14aR)- (9CI)C20H28O4
8589900-57-2(4R,4aS,10R,13aR)-2,3,4,4a,5,6,9,10,11,12,13,13a-Dodecahydro-4,13a-dimethyl-9,13-dioxo-7,10-methano-1H-benzocycloundecene-4-carboxylic acid methyl esterFoetidin
Foetidin(diterpene)
(4R,4aS,10R,13aR)-2,3,4,4a,5,6,9,10,11,12,13,13a-Dodecahydro-4,13a-dimethyl-9,13-dioxo-7,10-methano-1H-benzocycloundecene-4-carboxylic acid methyl ester
7,10-Methano-1H-benzocycloundecene-4-carboxylic acid, 2,3,4,4a,5,6,9,10,11,12,13,13a-dodecahydro-4,13a-dimethyl-9,13-dioxo-, methyl ester, (4R,4aS,10R,13aR)- (9CI)
C20H28O4
8689354-63-2[1S,4aR,6R,10R,13aS,(-)]-1,2,3,4,4a,5,6,9,10,11,12,13a-Dodecahydro-1,6-dihydroxy-4,4,13a-trimethyl-9-methylene-10,7-metheno-7H-benzocycloundecene-8,13-dioneRabdolatifolin
[1S,4aR,6R,10R,13aS,(-)]-1,2,3,4,4a,5,6,9,10,11,12,13a-Dodecahydro-1,6-dihydroxy-4,4,13a-trimethyl-9-methylene-10,7-metheno-7H-benzocycloundecene-8,13-dione
C20H28O4
8790523-38-9(1aR,4E,8E,11S,11aR,14aS,14bR)-2,3,6,7,10,11,11a,12,14a,14b-Decahydro-11-hydroxy-1a,5,9-trimethyl-12-methyleneoxireno[13,14]cyclotetradeca[1,2-b]furan-13(1aH)-one(1aR,4E,8E,11S,11aR,14aS,14bR)-2,3,6,7,10,11,11a,12,14a,14b-Decahydro-11-hydroxy-1a,5,9-trimethyl-12-methyleneoxireno[13,14]cyclotetradeca[1,2-b]furan-13(1aH)-oneC20H28O4
881367624-30-32H-Cyclohept[6,7]indeno[1,7a-b]oxirene-7-carboxaldehyde, 1,2a,3,4,4a,5,6,9,9a,10a-decahydro-10a-[(1R)-2-hydroxy-1-methylethyl]-2a,4a-dimethyl-5-oxo-, (2aS,4aR,9aS,9bR,10aR)-2H-Cyclohept[6,7]indeno[1,7a-b]oxirene-7-carboxaldehyde, 1,2a,3,4,4a,5,6,9,9a,10a-decahydro-10a-[(1R)-2-hydroxy-1-methylethyl]-2a,4a-dimethyl-5-oxo-, (2aS,4aR,9aS,9bR,10aR)-C20H28O4

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