Search Results for compound
Searching compound for 3-Hydroxy-4-pentenenitrile returned 63618 results.
Displaying compounds 1851 - 1875 of 63618 in total
FDB014584
191548-38-6
3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl (2Z)-6-hydroxy-2,6-dimethylocta-2,7-dienoate
Matched synonyms: … Glucosyl 6-hydroxy-2,6-dimethyl-2E,7-octadienoate ... Glucosyl 6e-hydroxy-2,6-dimethyl-2E,7-octadienoate ... b-D-Glucopyranosyl 6e-hydroxy-2,6-dimethyl-2E,7-octadienoate …
Matched name: … Glucosyl 6-hydroxy-2,6-dimethyl-2E,7-octadienoate …
Matched iupac: … 3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl (2Z)-6-hydroxy-2,6-dimethylocta-2,7-dienoate …
Matched description: … Glucosyl 6-hydroxy-2,6-dimethyl-2E,7-octadienoate is found in alcoholic beverages. …
Matched name: … Glucosyl 6-hydroxy-2,6-dimethyl-2E,7-octadienoate …
Matched iupac: … 3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl (2Z)-6-hydroxy-2,6-dimethylocta-2,7-dienoate …
Matched description: … Glucosyl 6-hydroxy-2,6-dimethyl-2E,7-octadienoate is found in alcoholic beverages. …
FDB021465
177742-55-1
{5-formyl-14-hydroxy-5,9-dimethyltetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecan-14-yl}methyl acetate
Matched synonyms: … ent-16a-Hydroxy-17-acetoxy-19-kauranal ... 17-(Acetyloxy)-16-hydroxy-(4alpha,16alpha)-kauran-18-al …
Matched name: … ent-16a-Hydroxy-17-acetoxy-19-kauranal …
Matched iupac: … {5-formyl-14-hydroxy-5,9-dimethyltetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecan-14-yl}methyl acetate …
Matched description: … Constituent of Annona squamosa (sugar apple). ent-16a-Hydroxy-17-acetoxy-19-kauranal is found in fruits …
Matched name: … ent-16a-Hydroxy-17-acetoxy-19-kauranal …
Matched iupac: … {5-formyl-14-hydroxy-5,9-dimethyltetracyclo[11.2.1.0¹,¹⁰.0⁴,⁹]hexadecan-14-yl}methyl acetate …
Matched description: … Constituent of Annona squamosa (sugar apple). ent-16a-Hydroxy-17-acetoxy-19-kauranal is found in fruits …
FDB018490
145937-21-9
1-(4-hydroxy-3-methoxyphenyl)-3-oxodecane-5-sulfonic acid
Matched iupac: … 1-(4-hydroxy-3-methoxyphenyl)-3-oxodecane-5-sulfonic acid …
FDB019993
24276-84-4
sodium (2Z)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoate
Matched iupac: … sodium (2Z)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoate …
FDB014373
77-52-1
(1S,2R,4aS,6aS,6bR,10S,12aR,12bR,14bS)-10-hydroxy-1,2,6a,6b,9,9,12a-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-icosahydropicene-4a-carboxylic acid
Matched synonyms: … Urs-12-en-28-oic acid, 3-hydroxy-, (3β)- ... (3beta)-3-hydroxy-Urs-12-en-28-oate ... 3.beta.-hydroxy-urs-12-en-28-Oate …
Matched iupac: … (1S,2R,4aS,6aS,6bR,10S,12aR,12bR,14bS)-10-hydroxy-1,2,6a,6b,9,9,12a-heptamethyl-1,2,3,4,4a,5,6,6a,6b, …
Matched description: … Beta-Hydroxy-Urs-12-En-28-Oic Acid. ... known as Prunol, Malol, Urson, beta-Ursolic acid, NSC4060, CCRIS 7123, CHEBI:9908, TOS-BB-0966, and 3- …
Matched iupac: … (1S,2R,4aS,6aS,6bR,10S,12aR,12bR,14bS)-10-hydroxy-1,2,6a,6b,9,9,12a-heptamethyl-1,2,3,4,4a,5,6,6a,6b, …
Matched description: … Beta-Hydroxy-Urs-12-En-28-Oic Acid. ... known as Prunol, Malol, Urson, beta-Ursolic acid, NSC4060, CCRIS 7123, CHEBI:9908, TOS-BB-0966, and 3- …
FDB022991
83-40-9
2-hydroxy-3-methylbenzoic acid
Matched synonyms: … 2-Hydroxy-3-methyl-benzoate ... 2-Hydroxy-3-methylbenzoate ... 2-Hydroxy-3-methyl-benzoic acid …
Matched name: … 3-Methylsalicylic acid …
Matched iupac: … 2-hydroxy-3-methylbenzoic acid …
Matched description: … 3-Cresotinic acid is a salicylic acid derivative compound with marked fibrinolytic activity in human …
Matched name: … 3-Methylsalicylic acid …
Matched iupac: … 2-hydroxy-3-methylbenzoic acid …
Matched description: … 3-Cresotinic acid is a salicylic acid derivative compound with marked fibrinolytic activity in human …
FDB023169
13131-49-2
{[(2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-2-[({[({3-[(2-{[2-(formylsulfanyl)ethyl]carbamoyl}ethyl)carbamoyl]-3-hydroxy-2,2-dimethylpropoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)methyl]-4-hydroxyoxolan-3-yl]oxy}phosphonic acid
Matched iupac: … ]-3-hydroxy-2,2-dimethylpropoxy}(hydroxy)phosphoryl)oxy](hydroxy)phosphoryl}oxy)methyl]-4-hydroxyoxolan ... -3-yl]oxy}phosphonic acid ... {[(2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-2-[({[({3-[(2-{[2-(formylsulfanyl)ethyl]carbamoyl}ethyl)carbamoyl …
Matched description: … The cleavage of 2-hydroxy-3-methylhexadecanoyl-CoA to 2-methylpentadecanal and formate (formyl-CoA) is ... formed during the alpha-oxidation process in liver peroxisomes, as a result of the alpha-oxidation of 3- …
Matched description: … The cleavage of 2-hydroxy-3-methylhexadecanoyl-CoA to 2-methylpentadecanal and formate (formyl-CoA) is ... formed during the alpha-oxidation process in liver peroxisomes, as a result of the alpha-oxidation of 3- …
FDB022734
66376-36-1
(4-amino-1-hydroxy-1-phosphonobutyl)phosphonic acid
Matched synonyms: … (4-amino-1-Hydroxybutylidene)bisonate ... (4-amino-1-Hydroxybutylidene)bisonic acid …
Matched iupac: … (4-amino-1-hydroxy-1-phosphonobutyl)phosphonic acid …
Matched iupac: … (4-amino-1-hydroxy-1-phosphonobutyl)phosphonic acid …
FDB019891
4130-42-1
2,6-di-tert-butyl-4-ethylphenol
Matched synonyms: … 1-Hydroxy-4-ethyl-2, 6-di-tert-butylbenzene ... 1-Hydroxy-4-ethyl-2,6-di-tert-butylbenzene ... 2,6-di-t-Butyl-4-ethylphenol …
Matched name: … 2,6-Di-tert-butyl-4-ethylphenol …
Matched iupac: … 2,6-di-tert-butyl-4-ethylphenol …
Matched description: … Reported as a constituent of mango and green tea leaves. 2,6-Di-tert-butyl-4-ethylphenol is found in …
Matched name: … 2,6-Di-tert-butyl-4-ethylphenol …
Matched iupac: … 2,6-di-tert-butyl-4-ethylphenol …
Matched description: … Reported as a constituent of mango and green tea leaves. 2,6-Di-tert-butyl-4-ethylphenol is found in …
FDB022345
2800-34-2
(2S)-2-[(4-{N-[(4-hydroxy-2-imino-1,2,5,6,7,8-hexahydropteridin-6-yl)methyl]formamido}phenyl)formamido]pentanedioic acid
Matched synonyms: … N-[p-[N-[(2-Amino-5,6,7,8-tetrahydro-4-hydroxy-6-pteridinyl)methyl]formamido]benzoyl]-glutamate ... N-[p-[N-[(2-Amino-5,6,7,8-tetrahydro-4-hydroxy-6-pteridinyl)methyl]formamido]benzoyl]-L-glutamate ... N-[p-[N-[(2-Amino-5,6,7,8-tetrahydro-4-hydroxy-6-pteridinyl)methyl]formamido]benzoyl]-glutamic acid …
Matched iupac: … (2S)-2-[(4-{N-[(4-hydroxy-2-imino-1,2,5,6,7,8-hexahydropteridin-6-yl)methyl]formamido}phenyl)formamido …
Matched description: … phosphoribosyl-N-formylglycinamide through the action of the enzyme trifunctional purine biosynthetic protein adenosine-3. …
Matched iupac: … (2S)-2-[(4-{N-[(4-hydroxy-2-imino-1,2,5,6,7,8-hexahydropteridin-6-yl)methyl]formamido}phenyl)formamido …
Matched description: … phosphoribosyl-N-formylglycinamide through the action of the enzyme trifunctional purine biosynthetic protein adenosine-3. …
FDB017830
25694-72-8
2-(3,4-dihydroxyphenyl)-5-hydroxy-7-[(3,4,5-trihydroxy-6-{[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]methyl}oxan-2-yl)oxy]-4H-chromen-4-one
Matched iupac: … }oxan-2-yl)oxy]-4H-chromen-4-one ... 2-(3,4-dihydroxyphenyl)-5-hydroxy-7-[(3,4,5-trihydroxy-6-{[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]methyl …
Matched description: … hydroxy-3-methylglutaryl CoA (HMG-CoA) reductase activity resulting in a decreased cholesterol biosynthesis ... e.g. increased biliary secretion leading to an increased cholesterol elimination and/or inhibition of 3- …
Matched description: … hydroxy-3-methylglutaryl CoA (HMG-CoA) reductase activity resulting in a decreased cholesterol biosynthesis ... e.g. increased biliary secretion leading to an increased cholesterol elimination and/or inhibition of 3- …
FDB021152
328-39-2
3-{[3,4-dihydroxy-6-(hydroxymethyl)-5-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]oxan-2-yl]oxy}-4,5-dihydroxy-6-{[9-hydroxy-4-(hydroxymethyl)-4,6a,6b,8a,11,11,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicen-3-yl]oxy}oxane-2-carboxylic acid
Matched synonyms: … Soyasapogenol B 3-O-[a-L-rhamnopyranosyl-(1->4)-b-D-galactopyranosyl-(1->4)-b-D-glucuronopyranoside] …
Matched name: … Soyasapogenol B 3-O-[a-L-rhamnosyl-(1->4)-b-D-galactosyl-(1->4)-b-D-glucuronide] …
Matched iupac: … -6-{[9-hydroxy-4-(hydroxymethyl)-4,6a,6b,8a,11,11,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a ... ,14,14a,14b-icosahydropicen-3-yl]oxy}oxane-2-carboxylic acid ... 3-{[3,4-dihydroxy-6-(hydroxymethyl)-5-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]oxan-2-yl]oxy}-4,5-dihydroxy …
Matched description: … Soyasapogenol B 3-O-[a-L-rhamnosyl-(1->4)-b-D-galactosyl-(1->4)-b-D-glucuronide] is found in pulses. …
Matched name: … Soyasapogenol B 3-O-[a-L-rhamnosyl-(1->4)-b-D-galactosyl-(1->4)-b-D-glucuronide] …
Matched iupac: … -6-{[9-hydroxy-4-(hydroxymethyl)-4,6a,6b,8a,11,11,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a ... ,14,14a,14b-icosahydropicen-3-yl]oxy}oxane-2-carboxylic acid ... 3-{[3,4-dihydroxy-6-(hydroxymethyl)-5-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]oxan-2-yl]oxy}-4,5-dihydroxy …
Matched description: … Soyasapogenol B 3-O-[a-L-rhamnosyl-(1->4)-b-D-galactosyl-(1->4)-b-D-glucuronide] is found in pulses. …
[7-carboxy-4-hydroxy-3-(4-hydroxy-3,5-dimethoxyphenyl)-2,8-dioxatricyclo[7.3.1.0^{5,13}]trideca-1(12),3,5(13),6,9-pentaen-11-ylidene]oxidanium
Matched synonyms: … 5-Carboxy-3,8-dihydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)pyrano[4,3,2-de]-1-benzopyrilium, 9CI …
Matched iupac: … [7-carboxy-4-hydroxy-3-(4-hydroxy-3,5-dimethoxyphenyl)-2,8-dioxatricyclo[7.3.1.0^{5,13}]trideca-1(12) …
Matched iupac: … [7-carboxy-4-hydroxy-3-(4-hydroxy-3,5-dimethoxyphenyl)-2,8-dioxatricyclo[7.3.1.0^{5,13}]trideca-1(12) …
icosyl (2Z)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoate
Matched iupac: … icosyl (2Z)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoate …
FDB015424
264607-21-8
6,9a-dihydroxy-3,4a,5-trimethyl-2-oxo-2H,4H,4aH,5H,6H,7H,8H,8aH,9H,9aH-naphtho[2,3-b]furan-4-yl 3-chloro-2-hydroxy-2-methylbutanoate
Matched synonyms: … 3b,8b-Dihydroxy-6b-(3-chloro-2-hydroxy-2-methylbutanoyloxy)-7(11)-eremophilen-12,8-olide …
Matched name: … 3b,8b-Dihydroxy-6b-(3-chloro-2-hydroxy-2-methylbutanoyloxy)-7(11)-eremophilen-12,8-olide …
Matched iupac: … 6,9a-dihydroxy-3,4a,5-trimethyl-2-oxo-2H,4H,4aH,5H,6H,7H,8H,8aH,9H,9aH-naphtho[2,3-b]furan-4-yl 3-chloro ... -2-hydroxy-2-methylbutanoate …
Matched name: … 3b,8b-Dihydroxy-6b-(3-chloro-2-hydroxy-2-methylbutanoyloxy)-7(11)-eremophilen-12,8-olide …
Matched iupac: … 6,9a-dihydroxy-3,4a,5-trimethyl-2-oxo-2H,4H,4aH,5H,6H,7H,8H,8aH,9H,9aH-naphtho[2,3-b]furan-4-yl 3-chloro ... -2-hydroxy-2-methylbutanoate …
FDB015259
80510-09-4
(Z,2Z)-3-(4-hydroxy-3-methoxyphenyl)-N-[2-(4-hydroxyphenyl)ethyl]propa-2-enimidic acid
Matched iupac: … (Z,2Z)-3-(4-hydroxy-3-methoxyphenyl)-N-[2-(4-hydroxyphenyl)ethyl]propa-2-enimidic acid …
2-hydroxy-2-[3-hydroxy-5-oxo-4-(3,4,5-trihydroxybenzoyloxy)oxolan-2-yl]acetic acid
Matched iupac: … 2-hydroxy-2-[3-hydroxy-5-oxo-4-(3,4,5-trihydroxybenzoyloxy)oxolan-2-yl]acetic acid …
4-hydroxy-5-(1-hydroxy-2-methoxy-2-oxoethyl)-2-oxooxolan-3-yl 3,4,5-trihydroxybenzoate
Matched iupac: … 4-hydroxy-5-(1-hydroxy-2-methoxy-2-oxoethyl)-2-oxooxolan-3-yl 3,4,5-trihydroxybenzoate …
[2,6-dihydroxy-4-(3-hydroxy-7-oxo-5-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-7H-chromen-2-yl)phenoxy]dihydroxyoxo-lambda6-sulfanylium
Matched name: … [2,6-dihydroxy-4-(3-hydroxy-7-oxo-5-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-7H-chromen-2-yl …
Matched iupac: … [2,6-dihydroxy-4-(3-hydroxy-7-oxo-5-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-7H-chromen-2-yl …
Matched iupac: … [2,6-dihydroxy-4-(3-hydroxy-7-oxo-5-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-7H-chromen-2-yl …
FDB001807
160433-41-0
(3R,4R)-4-[(3,4-dimethoxyphenyl)methyl]-3-{[3-(5-{[(3R,4R)-4-[(3,4-dimethoxyphenyl)methyl]-2-oxooxolan-3-yl]methyl}-2-hydroxy-3-methoxyphenyl)-4-hydroxy-5-methoxyphenyl]methyl}oxolan-2-one
Matched iupac: … -3-yl]methyl}-2-hydroxy-3-methoxyphenyl)-4-hydroxy-5-methoxyphenyl]methyl}oxolan-2-one ... (3R,4R)-4-[(3,4-dimethoxyphenyl)methyl]-3-{[3-(5-{[(3R,4R)-4-[(3,4-dimethoxyphenyl)methyl]-2-oxooxolan …
3-(propan-2-yl)cyclopentane-1,2-dione
Matched synonyms: … 2-Hydroxy-3-isopropyl-2-cyclopenten-1-one ... 2-Hydroxy-3-(1-methylethyl)-2-cyclopenten-1-one, 9CI …
Matched name: … 3-Isopropyl-1,2-cyclopentanedione …
Matched iupac: … 3-(propan-2-yl)cyclopentane-1,2-dione …
Matched description: … Volatile constituent of roasted Arabica coffee beans. 3-Isopropyl-1,2-cyclopentanedione is found in coffee …
Matched name: … 3-Isopropyl-1,2-cyclopentanedione …
Matched iupac: … 3-(propan-2-yl)cyclopentane-1,2-dione …
Matched description: … Volatile constituent of roasted Arabica coffee beans. 3-Isopropyl-1,2-cyclopentanedione is found in coffee …
FDB014127
226946-10-7
5-({4,5-dihydroxy-2-[4-(7-hydroxy-4-oxo-3,4-dihydro-2H-1-benzopyran-2-yl)phenoxy]-6-(hydroxymethyl)oxan-3-yl}oxy)-4-hydroxy-3-(hydroxymethyl)oxolan-3-yl acetate
Matched synonyms: … Liquiritigenin 4'-[3-acetylapiosyl-(1->2)-glucoside] ... 7,4'-Dihydroxyflavanone 4'-[3-acetylapiosy-l(1->2)-glucoside] …
Matched name: … Liquiritigenin 4'-[3-acetylapiosyl-(1->2)-glucoside] …
Matched iupac: … -3-yl}oxy)-4-hydroxy-3-(hydroxymethyl)oxolan-3-yl acetate ... 5-({4,5-dihydroxy-2-[4-(7-hydroxy-4-oxo-3,4-dihydro-2H-1-benzopyran-2-yl)phenoxy]-6-(hydroxymethyl)oxan …
Matched description: … Liquiritigenin 4'-[3-acetylapiosyl-(1->2)-glucoside] is found in herbs and spices. …
Matched name: … Liquiritigenin 4'-[3-acetylapiosyl-(1->2)-glucoside] …
Matched iupac: … -3-yl}oxy)-4-hydroxy-3-(hydroxymethyl)oxolan-3-yl acetate ... 5-({4,5-dihydroxy-2-[4-(7-hydroxy-4-oxo-3,4-dihydro-2H-1-benzopyran-2-yl)phenoxy]-6-(hydroxymethyl)oxan …
Matched description: … Liquiritigenin 4'-[3-acetylapiosyl-(1->2)-glucoside] is found in herbs and spices. …
FDB020751
123369-41-5
2-(hydroxymethyl)-5-(6-{[(5-hydroxypyridin-2-yl)methyl]amino}-9H-purin-9-yl)oxolane-3,4-diol
Matched synonyms: … N-((5-Hydroxy-2-pyridinyl)methyl)-adenosine ... Adenosine, N-((5-hydroxy-2-pyridinyl)methyl)- ... 6-(5-Hydroxy-2-pyridinylmethylamino)-9b-ribofuranosylpurine …
Matched name: … N-[(5-Hydroxy-2-pyridinyl)methyl]adenosine …
Matched description: … N-[(5-Hydroxy-2-pyridinyl)methyl]adenosine is found in mushrooms. …
Matched name: … N-[(5-Hydroxy-2-pyridinyl)methyl]adenosine …
Matched description: … N-[(5-Hydroxy-2-pyridinyl)methyl]adenosine is found in mushrooms. …
FDB014680
110241-21-9
6-hydroxy-2-methyl-4-oxo-6-{2,6,6,11,15-pentamethyl-5,9,12,17-tetraoxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-1(10)-en-14-yl}heptanoic acid
Matched synonyms: … 20-Hydroxy-3,7,11,15,23-pentaoxolanost-8-en-26-oic acid ... 20-Hydroxy-3,7,11,15,23-pentaoxo-5alpha-lanost-8-en-26-oic acid …
Matched name: … 20-Hydroxy-3,7,11,15,23-pentaoxolanost-8-en-26-oic acid …
Matched iupac: … 6-hydroxy-2-methyl-4-oxo-6-{2,6,6,11,15-pentamethyl-5,9,12,17-tetraoxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec …
Matched description: … Constituent of Ganoderma lucidum (reishi). 20-Hydroxy-3,7,11,15,23-pentaoxolanost-8-en-26-oic acid is …
Matched name: … 20-Hydroxy-3,7,11,15,23-pentaoxolanost-8-en-26-oic acid …
Matched iupac: … 6-hydroxy-2-methyl-4-oxo-6-{2,6,6,11,15-pentamethyl-5,9,12,17-tetraoxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec …
Matched description: … Constituent of Ganoderma lucidum (reishi). 20-Hydroxy-3,7,11,15,23-pentaoxolanost-8-en-26-oic acid is …
FDB020568
158848-23-8
6-hydroxy-3,4a,5-trimethyl-2H,4H,4aH,5H,6H,7H,8H,8aH,9H,9aH-naphtho[2,3-b]furan-2-one
Matched synonyms: … (3beta,8beta)-3-Hydroxy-7(11)-eremophilen-12,8-olide ... 3b-Hydroxy-7(11)-eremophilen-12,8b-olide …
Matched name: … 3b-Hydroxy-7(11)-eremophilen-12,8b-olide …
Matched iupac: … 6-hydroxy-3,4a,5-trimethyl-2H,4H,4aH,5H,6H,7H,8H,8aH,9H,9aH-naphtho[2,3-b]furan-2-one …
Matched description: … Constituent of Petasites japonicus (sweet coltsfoot). 3b-Hydroxy-7(11)-eremophilen-12,8b-olide is found …
Matched name: … 3b-Hydroxy-7(11)-eremophilen-12,8b-olide …
Matched iupac: … 6-hydroxy-3,4a,5-trimethyl-2H,4H,4aH,5H,6H,7H,8H,8aH,9H,9aH-naphtho[2,3-b]furan-2-one …
Matched description: … Constituent of Petasites japonicus (sweet coltsfoot). 3b-Hydroxy-7(11)-eremophilen-12,8b-olide is found …