Chemical Formula: C19H30O2
Chemical Formula C19H30O2
Found 119 metabolite its formula value is C19H30O2
Androsterone
Androsterone is an inactive breakdown metabolite of testosterone, the product of a reaction mediated by the enzyme oxidative 17beta-hydroxysteroid dehydrogenase (EC 1.1.1.51, 17beta-HSD). Androsterone can also be metabolized from other adrenal androgens such as dehydroepiandrosterone, dihydrotestosterone, or androstenedione, and is considered an inactive end product. However, it can be a physiological effector in its own right. Androsterone might be converted back to dihydrotestosterone. Humans (and other primates) are unique among mammals in having high levels of circulating androsterone glucuronide, a process that is the major role of uridine-diphospho-glucuronosyltransferase enzymes (EC 2.4.1.17, UGT) for glucuronidation of steroid metabolism in humans. Conjugation of androsterone is a pathway found in all vertebrates and it is widely recognized that the liver is a major site of glucuronidation. However, it is now clear that extrahepatic tissues are also involved in the conjugation of compounds to which these tissues are exposed. High levels of androsterone glucuronide found in the human prostate, breast cyst fluid, and ovary follicular fluid suggest that glucuronidation of 5alpha-reduced C19 steroids occurs in these tissues as well. In doping control, the ratio of androsterone/etiocholanolone provides valuable information that allows the assignment of a urine specimen to a particular person or the identification of urine samples with identical steroid profiles; this is particularly important to detect attempts of urine manipulation including urine alteration and substitution (PMID: 9188497, 17017935, 14643063, 12943709, 9699884, 17260133). Androsterone is an inactive breakdown metabolite of testosterone, the product of a reaction mediated by the enzyme oxidative 17beta-hydroxysteroid dehydrogenase (EC 1.1.1.51, 17beta-HSD). Androsterone is also can be metabolized from other adrenal androgens such as dehydroepiandrosterone, dihydrotestosterone or androstenedione, and is considered an inactive end product; however, it can be a physiological effector in its own right. Androsterone might be converted back to dihydrotestosterone. Humans (and other primates) are unique among mammals in having high levels of circulating androsterone glucuronide, a process that is the major role uridine-diphospho-glucuronosyltransferase (EC 2.4.1.17, UGT) enzymes for glucuronidation of steroid metabolism in humans. Conjugation of androsterone is a pathway found in all vertebrates and is widely recognized that the liver is a major site of glucuronidation; however it is now clear that extrahepatic tissues are also involved in the conjugation of compounds to which these tissues are exposed. High levels of androsterone glucuronide found in the human prostate, breast cyst fluid and ovary follicular fluid suggest that glucuronidation of 5alpha-reduced C19 steroids occurs in these tissues as well. In doping control, the ratio of androsterone/etiocholanone provides valuable information that allows the assignment of a urine specimen to a particular person or the identification of urine samples with identical steroid profiles; this is particularly important to detect attempts of urine manipulation including urine alteration and substitution. (PMID: 9188497, 17017935, 14643063, 12943709, 9699884, 17260133) [HMDB] C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C1636 - Therapeutic Steroid Hormone D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones CONFIDENCE standard compound; INTERNAL_ID 2804 CONFIDENCE standard compound; INTERNAL_ID 4166
Dihydrotestosterone
Dihydrotestosterone is a potent androgenic metabolite of testosterone. Dihydrotestosterone (DHT) is generated by a 5-alpha reduction of testosterone. Unlike testosterone, DHT cannot be aromatized to estradiol therefore DHT is considered a pure androgenic steroid. -- Pubchem; Dihydrotestosterone (DHT) (INN: androstanolone) is a biologically active metabolite of the hormone testosterone, formed primarily in the prostate gland, testes, hair follicles, and adrenal glands by the enzyme 5-alpha-reductase by means of reducing the alpha 4,5 double-bond. Dihydrotestosterone belongs to the class of compounds called androgens, also commonly called androgenic hormones or testoids. DHT is thought to be approximately 30 times more potent than testosterone because of increased affinity to the androgen receptor. A potent androgenic metabolite of testosterone. Dihydrotestosterone (DHT) is generated by a 5-alpha reduction of testosterone. Unlike testosterone, DHT cannot be aromatized to estradiol therefore DHT is considered a pure androgenic steroid. -- Pubchem; Dihydrotestosterone (DHT) (INN: androstanolone) is a biologically active metabolite of the hormone testosterone, formed primarily in the prostate gland, testes, hair follicles, and adrenal glands by the enzyme 5-alpha-reductase by means of reducing the alpha 4,5 double-bond. Dihydrotestosterone belongs to the class of compounds called androgens, also commonly called androgenic hormones or testoids. DHT is thought to be approximately 30 times more potent than testosterone because of increased affinity to the androgen receptor. -- Wikipedia [HMDB] G - Genito urinary system and sex hormones > G03 - Sex hormones and modulators of the genital system > G03B - Androgens > G03BB - 5-androstanon (3) derivatives A - Alimentary tract and metabolism > A14 - Anabolic agents for systemic use > A14A - Anabolic steroids > A14AA - Androstan derivatives D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones > D000728 - Androgens C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C1636 - Therapeutic Steroid Hormone
Androst-5-ene-3beta,17beta-diol
5-Androstenediol is a direct metabolite of the most abundant steroid produced by the human adrenal cortex, dehydroepiandrosterone (DHEA). 5-Androstenediol is less androgenic than 4-androstenediol, and stimulates the immune system. When administered to rats in vivo, 5-androstenediol has approximately 1/70 the androgenicity of DHEA, 1/185 the androgenicity of androstenedione, and 1/475 the androgenicity of testosterone (Wikipedia). Because it induces production of white blood cells and platelets, 5-androstenediol is being developed as a radiation countermeasure as Neumune (HE2100). An intermediate in testosterone biosynthesis, found in the testis or the adrenal glands. 5-Androstenediol, derived from dehydroepiandrosterone by the reduction of the 17-keto group (17-hydroxysteroid dehydrogenases), is converted to testosterone by the oxidation of the 3-beta hydroxyl group to a 3-keto group (3-fydroxysteroid dehydrogenase). Androstenediol is a term used to refer to two different steroids with molecular weights of 290.44: 4-androstenediol (4-androstene-3beta,17beta-diol) and 5-androstenediol (5-androstene-3beta,17beta-diol). 4-Androstenediol is closer to testosterone structurally, and has androgenic effects. 5-Androstenediol is a direct metabolite of the most abundant steroid produced by the human adrenal cortex, dehydroepiandrosterone (DHEA). 5-Androstenediol is less androgenic than 4-androstenediol, and stimulates the immune system. When administered to rats in vivo, 5-androstenediol has approximately 1/70 the androgenicity of DHEA, 1/185 the androgenicity of androstenedione, and 1/475 the androgenicity of testosterone (Coffey, 1988). Because it induces production of white blood cells and platelets, 5-androstenediol is being developed as a radiation countermeasure as Neumune(HE2100). D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones > D045930 - Anabolic Agents C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C2360 - Anabolic Steroid
17beta-Hydroxy-2alpha-methyl-5alpha-estran-3-one
Epiandrosterone
Epiandrosterone is a naturally occurring steroid synthesized in the adrenal cortex, gonads, brain, and gastrointestinal tract. It is less active than androsterone and excreted in small amounts in normal human urine. Epiandrosterone is a metabolite of the most abundant adrenal androgenic steroid dehydroepiandrosterone (DHEA) in young adult humans, but is not completely inactive and is considered an effector as well. Epiandrosterone is a precursor or substrate for cytochrome P450 species and enzymes (EC 1.14.13.100, 25-hydroxycholesterol 7alpha-hydroxylase) that produce 7alpha- and 7beta-hydroxylated metabolites in the human brain and other organs. These 7-hydroxylated derivatives exert anti-glucocorticoid and neuroprotective effects. (PMID: 17017935, 12475725, 15650074, 15784286) [HMDB] Epiandrosterone is a naturally occurring steroid synthesized in the adrenal cortex, gonads, brain, and gastrointestinal tract. It is less active than androsterone and excreted in small amounts in normal human urine. Epiandrosterone is a metabolite of the most abundant adrenal androgenic steroid dehydroepiandrosterone (DHEA) in young adult humans, but is not completely inactive and is considered an effector as well. Epiandrosterone is a precursor or substrate for cytochrome P450 species and enzymes (EC 1.14.13.100, 25-hydroxycholesterol 7alpha-hydroxylase) that produce 7alpha- and 7beta-hydroxylated metabolites in the human brain and other organs. These 7-hydroxylated derivatives exert anti-glucocorticoid and neuroprotective effects (PMID: 17017935, 12475725, 15650074, 15784286). C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C1636 - Therapeutic Steroid Hormone D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones CONFIDENCE standard compound; INTERNAL_ID 4168 CONFIDENCE standard compound; INTERNAL_ID 2818 Epiandrosterone is a steroid hormone with weak androgenic activity. Epiandrosterone is naturally produced by the enzyme 5α-reductase from the adrenal hormone DHEA.
Etiocholanolone
Etiocholanolone is the 5-beta-reduced isomer of androsterone. Etiocholanolone is a major metabolite of testosterone and androstenedione in many mammalian species including humans. It is excreted in the urine and is androgenically inactive. Classified a ketosteroid, it causes fever (it is a pyrogen), immunostimulation and leukocytosis. The pyrogenic effect of Etiocholanolone has been shown to be due to the release of interleukin-1 (IL-1) from the leukocytes that are mobilized in response to its production or injection. Etiocholanolone has anticonvulsant activity and may be an endogenous modulator of seizure susceptibility. Significantly increased values of etiocholanolone (along with testoterone and androsterone) an be detected in the urine of men with androgenic alopecia (male pattern baldness). [HMDB] Etiocholanolone is the 5-beta-reduced isomer of androsterone. Etiocholanolone is a major metabolite of testosterone and androstenedione in many mammalian species including humans. It is excreted in the urine and is androgenically inactive. Classified a ketosteroid, it causes fever (it is a pyrogen), immunostimulation and leukocytosis. The pyrogenic effect of Etiocholanolone has been shown to be due to the release of interleukin-1 (IL-1) from the leukocytes that are mobilized in response to its production or injection. Etiocholanolone has anticonvulsant activity and may be an endogenous modulator of seizure susceptibility. Significantly increased values of etiocholanolone (along with testoterone and androsterone) an be detected in the urine of men with androgenic alopecia (male pattern baldness). D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones C308 - Immunotherapeutic Agent > C2139 - Immunostimulant COVID info from COVID-19 Disease Map Corona-virus Coronavirus SARS-CoV-2 COVID-19 SARS-CoV COVID19 SARS2 SARS Etiocholanolone (5β-Androsterone) is the excreted metabolite of testosterone and has anticonvulsant activity[1]. Etiocholanolone is a less potent?neurosteroid positive allosteric modulator?(PAM) of the GABAA?receptor than its?enantiomer form[2]. Etiocholanolone (5β-Androsterone) is the excreted metabolite of testosterone and has anticonvulsant activity[1]. Etiocholanolone is a less potent?neurosteroid positive allosteric modulator?(PAM) of the GABAA?receptor than its?enantiomer form[2]. Etiocholanolone (5β-Androsterone) is the excreted metabolite of testosterone and has anticonvulsant activity[1]. Etiocholanolone is a less potent?neurosteroid positive allosteric modulator?(PAM) of the GABAA?receptor than its?enantiomer form[2].
4-Androstenediol
4-Androstenediol is a metabolite of testosterone. Conversely, the conversion of 4-Androstenediol to testosterone has been demonstrated to occur in homogenates of hyperplastic human female adrenal glands. 4-Androstenediol is an anabolic agent that has been found in increased concentration in athletes suspected of doping. 4-Androstenediol has also been found in aqueous and solid nutritional supplements that are commercially available. Studies showing that non-hormonal supplements such as vitamins, minerals and amino acids can contain anabolic androgenic steroids not declared on the labels of the products have been published. These undeclared substances (often prohormones of testosterone) can cause health risks to consumers and might lead to positive results in sports doping control. It has been demonstrated that 4-Androstenediol taken by month is capable of producing in vivo increases in testosterone concentration in apparently healthy young men an women. (PMID: 15808000, 15103700, 10638382, 15370836) [HMDB] 4-Androstenediol is a metabolite of testosterone. Conversely, the conversion of 4-androstenediol to testosterone has been demonstrated to occur in homogenates of hyperplastic human female adrenal glands. 4-Androstenediol is an anabolic agent that has been found in increased concentration in athletes suspected of doping. 4-Androstenediol has also been found in aqueous and solid nutritional supplements that are commercially available. Studies showing that non-hormonal supplements such as vitamins, minerals, and amino acids can contain anabolic androgenic steroids not declared on the labels of the products have been published. These undeclared substances (often prohormones of testosterone) can cause health risks to consumers and might lead to positive results in sports doping control. It has been demonstrated that 4-androstenediol taken by mouth is capable of producing in vivo increases in testosterone concentration in apparently healthy young men an women (PMID: 15808000, 15103700, 10638382, 15370836).
5b-Dihydrotestosterone
5beta-Dihydrotestosterone is an intermediate in Androgen and estrogen metabolism. 5beta-Dihydrotestosterone is generated from Testosterone via the enzyme 3-oxo-5beta-steroid 4-dehydrogenase (EC 1.3.99.6). [HMDB] 5beta-Dihydrotestosterone is an intermediate in Androgen and estrogen metabolism. 5beta-Dihydrotestosterone is generated from Testosterone via the enzyme 3-oxo-5beta-steroid 4-dehydrogenase (EC 1.3.99.6).
Epietiocholanolone
Epietiocholanolone is an anabolic steroid similar in structure to androstenedione. Used by body-builders to add muscle mass, but with unknown side effects. An anabolic steroid similar in structure to androstenedione. It is used by body-builders to add muscle mass, but with unknown side effects. [HMDB]
4-Methylphenyl dodecanoate
4-Methylphenyl dodecanoate is a flavouring ingredient with a mild, floral, sweet odour and taste. Flavouring ingredient with a mild, floral, sweet odour and taste
5beta-Dihydroepitestosterone
5beta-dihydroepitestosterone is also known as (5beta)-17alpha-Hydroxyandrostan-3-one. 5beta-dihydroepitestosterone is considered to be practically insoluble (in water) and basic
(17beta)-17-Hydroxyandrostan-3-one
Androst-5-ene-3beta,17beta-diol
D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones > D045930 - Anabolic Agents
3-alpha-hydroxy-5-beta-androstan-17-one
(8R,9R,10R,13S,14S)-10,13-Dimethyl-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-3,17-diol
16-oxo-17-nor-(-)-19-Kauranol|16-Oxo-17-nor-(-)-kauran-19-ol|16-Oxo-17-nor-(-)-kauranol-(18)|19-hydroxy-ent-17-norkauran-16-one
Dehydrocrepenynsaeure-methylester (14C-markiert)|methyl (14Z)-dehydrocrepenynate|Octadeca-9cis.14cis-dien-12-in-saeuremethylester, 14,15-Dehydro-crepeninsaeuremethylester
3beta-hydroxy-15-nor-14-oxo-8(17),12-labdadien-14-al
14-methoxy-15,16-dinor-5alphaH,9alphaH-labda-13(E),8(17)-dien-12-one
Sterculynic acid
A long-chain, polyunsaturated fatty acid composed of 9-octadecenoic acid having a terminal alkyne group and a 9,10-cyclopropenyl group.
Me ester-(3E,9Z,12Z,15Z)-3,9,12,15-Octadecatetraenoic acid
5-beta-Androstan-17-beta-ol-3-one
Disclaimer: While authors make an effort to ensure that the content of this record is accurate, the authors make no representations or warranties in relation to the accuracy or completeness of the record. This record do not reflect any viewpoints of the affiliation and organization to which the authors belong.
Epiandrosterone
A 3beta-hydroxy steroid that is (5alpha)-androstane substituted by a beta-hydroxy group at position 3 and an oxo group at position 17. C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C1636 - Therapeutic Steroid Hormone D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones relative retention time with respect to 9-anthracene Carboxylic Acid is 1.312 Disclaimer: While authors make an effort to ensure that the content of this record is accurate, the authors make no representations or warranties in relation to the accuracy or completeness of the record. This record do not reflect any viewpoints of the affiliation and organization to which the authors belong. Epiandrosterone is a steroid hormone with weak androgenic activity. Epiandrosterone is naturally produced by the enzyme 5α-reductase from the adrenal hormone DHEA.
Stanolone
G - Genito urinary system and sex hormones > G03 - Sex hormones and modulators of the genital system > G03B - Androgens > G03BB - 5-androstanon (3) derivatives A - Alimentary tract and metabolism > A14 - Anabolic agents for systemic use > A14A - Anabolic steroids > A14AA - Androstan derivatives D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones > D000728 - Androgens C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C1636 - Therapeutic Steroid Hormone CONFIDENCE standard compound; INTERNAL_ID 2805 Disclaimer: While authors make an effort to ensure that the content of this record is accurate, the authors make no representations or warranties in relation to the accuracy or completeness of the record. This record do not reflect any viewpoints of the affiliation and organization to which the authors belong.
Androsterone
An androstanoid that is 5alpha-androstane having a hydroxy substituent at the 3alpha-position and an oxo group at the 17-position. It is a metabolite of dehydroepiandrosterone . C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C1636 - Therapeutic Steroid Hormone D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones Disclaimer: While authors make an effort to ensure that the content of this record is accurate, the authors make no representations or warranties in relation to the accuracy or completeness of the record. This record do not reflect any viewpoints of the affiliation and organization to which the authors belong.
MLS000563094-01!(3S,5R,8R,9S,10S,13S,14S)-3-hydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-17-one
MLS002153962-01!3-alpha-Hydroxy-5-beta-androstan-17-one53-42-9
Etiocholanolone
D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones C308 - Immunotherapeutic Agent > C2139 - Immunostimulant COVID info from COVID-19 Disease Map Corona-virus Coronavirus SARS-CoV-2 COVID-19 SARS-CoV COVID19 SARS2 SARS Etiocholanolone (5β-Androsterone) is the excreted metabolite of testosterone and has anticonvulsant activity[1]. Etiocholanolone is a less potent?neurosteroid positive allosteric modulator?(PAM) of the GABAA?receptor than its?enantiomer form[2]. Etiocholanolone (5β-Androsterone) is the excreted metabolite of testosterone and has anticonvulsant activity[1]. Etiocholanolone is a less potent?neurosteroid positive allosteric modulator?(PAM) of the GABAA?receptor than its?enantiomer form[2]. Etiocholanolone (5β-Androsterone) is the excreted metabolite of testosterone and has anticonvulsant activity[1]. Etiocholanolone is a less potent?neurosteroid positive allosteric modulator?(PAM) of the GABAA?receptor than its?enantiomer form[2].
Epietiocholanolone
A 3beta-hydroxy steroid that is 5beta-androstane substituted by a hydroxy group at position 3beta and an oxo group at position 17. It is a metabolite of testosterone.
Androst-5-ene-3,17-diol
Origin: Animal; SubCategory_DNP: The sterols, Androstanes
Isoandrosterone
C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C1636 - Therapeutic Steroid Hormone D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones Epiandrosterone is a steroid hormone with weak androgenic activity. Epiandrosterone is naturally produced by the enzyme 5α-reductase from the adrenal hormone DHEA.
7R,9,14R-trimethyl-2E,4E,8E,10E-hexadecatetraenoic acid
Androstenediol
A 3beta-hydroxy-Delta(5)-steroid that is 3beta-hydroxyandrost-5-ene carrying an additional hydroxy group at position 17beta. D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones > D045930 - Anabolic Agents C147908 - Hormone Therapy Agent > C548 - Therapeutic Hormone > C2360 - Anabolic Steroid
ST 19:1;O2
3-(3,5-Ditert-butyl-4-hydroxyphenyl)-2,2-dimethylpropanal
D018377 - Neurotransmitter Agents > D018682 - GABA Agents > D018755 - GABA Agonists
(2alpha,5alpha,17beta)-17-Hydroxy-2-methylestran-3-one
3-alpha-hydroxy-5-beta-androstan-17-one
D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones
(8R,9R,10R,13S,14S)-10,13-Dimethyl-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-3,17-diol
(10R,13S)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15-dodecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
(3R,5R,8R,10S,13S,14S)-3-hydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-17-one
D006730 - Hormones, Hormone Substitutes, and Hormone Antagonists > D006728 - Hormones
(7E,10E,13E,16E)-nonadeca-7,10,13,16-tetraenoic acid
3,7,11-Trimethylcyclotetradeca-2(E),6(E),10(E)-trienyl acetate
Ethyl=(2E,4E,8E)-5,9,13-trimethyl-2,4,8,12-tetradecatetraenoate
Ethyl 5,9,13-trimethyl-(2E,4E,8Z,12E)-2,4,8,12-tetradecatetraenoate
(2XI,4AS,5S,8AS)-(-)-2,5beta-Dimethyl-8abeta-formyl-5alpha-(4-methyl-3-pentenyl)-3,4,4A,5,6,7,8,8A-octahydronaphthalen-1(2H)-one
[2xi,4aS,(+)]-5beta,8abeta-Dimethyl-2-formyl-5-(4-methyl-3-pentenyl)-3,4,4aalpha,5,6,7,8,8a-octahydronaphthalene-1(2H)-one
2alpha-Allyl-2beta-formyl-11alpha-methoxy-6,6,8beta-trimethyl-5alpha-tricyclo(6.3.0.0(1,5))undecane
11-(Allyloxymethyliden)-2alpha-methoxy-5beta,7,7-trimethyl-8alpha-tricyclo(6.3.0.0(1,5))undecane
[(2E,6Z,10E)-3,7,11-trimethylcyclotetradeca-2,6,10-trien-1-yl] acetate
5beta-Dihydrotestosterone
A 17beta-hydroxyandrostan-3-one that has beta- configuration at position 5. It is a metabolite of testosterone.
5beta-Dihydroepitestosterone
An androstanoid with a 5beta-configuration formed by reduction across the C4-C5 double bond of epitestosterone.
17beta-Hydroxy-5alpha-androstan-3-one
A 17beta-hydroxy steroid that is testosterone in which the 4,5 double bond has been reduced to a single bond with alpha-configuration at position 5.
3alpha-hydroxy-5beta-androstan-17-one
An androstanoid that is 5beta-androstane substituted by an alpha-hydroxy group at position 3 and an oxo group at position 17. It is a metabolite of testosterone in mammals.
WE(19:4)
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