List of steroidal estrogens

Estradiol, the prototypical estrogen.

Steroid ring system.

This is a list of steroidal estrogens or derivatives of estradiol, estrone, and estriol. Most esters of these estrogens are not included in this list; for esters, see here instead.

Estradiol derivatives

Compound	Chemical name	Structure
Estradiol (E2)	Estra-1,3,5(10)-triene-3,17β-diol
2-Hydroxyestradiol	2-Hydroxyestradiol
4-Hydroxyestradiol	4-Hydroxyestradiol
4-Methoxyestradiol	4-Methoxyestradiol
8β-VE₂	8β-Vinylestradiol
16α-IE₂	16α-Iodoestradiol
16α-LE₂	Estradiol 21,16α-lactone^?
Cloxestradiol	Estradiol 17β-chloral hemiacetal ether
Cloxestradiol acetate	Estradiol 17β-chloral hemiacetal ether O,O-diacetate
Estradiol sulfate	Estradiol 3-sulfate
Estrapronicate	Estradiol 3-propionate 17β-nicotinate
Orestrate	Estradiol 3-propionate 17β-(1-cyclohexenyl) ether
Polyestradiol phosphate	Estradiol 17β-phosphate polymer
Promestriene	Estradiol 3-propyl 17β-methyl diether

17α-Substituted estradiol derivatives

Compound	Chemical name	Structure
Estrazinol	8-Aza-17α-ethynylestradiol 3-methyl ether^?
Estrofurate	17α-(3-Furyl)-δ⁷-estradiol 3-acetate^?
Etamestrol (eptamestrol)	7α-Methyl-17α-ethynylestradiol 1,3-dibenzoate^?
Ethinyl estradiol (EE)	17α-Ethynylestradiol
Ethinyl estradiol sulfonate (EES)	17α-Ethynylestradiol 3-isopropylsulfonate
Mestranol (EE3ME)	17α-Ethynylestradiol 3-methyl ether
Methylestradiol	17α-Methylestradiol
Moxestrol	11β-Methoxy-17α-ethynylestradiol
Quinestrol	17α-Ethynylestradiol 3-cyclopentyl ether

Nitrogen mustard-coupled alkylating antineoplastic estradiol derivatives

Compound	Chemical name	Structure
Alestramustine	Estradiol 3-(bis(2-chloroethyl)carbamate), 17β-ester with L-alanine^?
Atrimustine	3-Benzoyl-17β-((4-(4-(bis(2-chloroethyl)amino)phenyl)-1-oxobutoxy)acetylestradiol
Estramustine	Estradiol 3-(bis(2-chloroethyl)carbamate)
Estramustine phosphate	Estradiol 3-(bis(2-chloroethyl)carbamate) 17β-phosphate

Estrone derivatives

Compound	Chemical name	Structure
Estrone (E1)	Estra-1,3,5(10)-triene-3-ol-17-one
2-Hydroxyestrone	2-Hydroxyestrone
4-Hydroxyestrone	4-Hydroxyestrone
4-Methoxyestrone	4-Methoxyestrone
16α-Hydroxyestrone	16α-Hydroxyestrone
Almestrone	7α-Methylestrone
Clomestrone	16α-Chloroestrone 3-methyl ether
Estrone sulfate	Estrone 3-sulfate
Estropipate	Estrone 3-sulfate piperazine salt
Hydroxyestrone diacetate	16α-Hydroxyestrone 3,16α-diacetate

Nitrogen mustard-coupled alkylating antineoplastic estrone derivatives

Compound	Chemical name	Structure
Estromustine	Estrone 3-(bis(2-chloroethyl)carbamate)

Estriol derivatives

Compound	Chemical name	Structure
Estriol (E3)	16α-Hydroxyestradiol
Estetrol (E4)	15α-Hydroxyestriol
Quinestradol	Estriol 3-cyclopentyl ether

17α-Substituted estriol derivatives

Compound	Chemical name	Structure
Ethinyl estriol	17α-Ethynylestriol
Nilestriol	17α-Ethynylestriol 3-cyclopentyl ether

Other estrogen derivatives

Epimers

Compound	Chemical name	Structure
Alfatradiol	17α-Estradiol
16β-Epiestriol	16β-Hydroxy-17β-estradiol
17α-Epiestriol	16α-Hydroxy-17α-estradiol
16β,17α-Epiestriol	16β-Hydroxy-17α-estradiol
Epimestrol	17α-Epiestriol 3-methyl ether
Mytatrienediol	16α-Methyl-16β-epiestriol 3-methyl ether

Equine estrogens

Compound	Chemical name	Structure
Equilin	Δ⁷-Estrone^?
Equilenin	Δ^6,8-Estrone^?
17α-Dihydroequilin	Δ⁷-17α-estradiol^?
17β-Dihydroequilin	Δ⁷-17β-estradiol^?
17α-Dihydroequilenin	Δ^6,8-17α-estradiol^?
17β-Dihydroequilenin	Δ^6,8-17β-estradiol^?
8,9-Dehydroestrone	Δ⁸-Estrone^?
8,9-Dehydroestradiol	Δ⁸-Estradiol^?

Notes

^? = Chemical names that are unverified.

References

Estrogens and antiestrogens

Estrogens

ER agonists	Steroidal: Alfatradiol Certain androgenic-anabolic steroids (e.g., testosterone, testosterone esters, nandrolone, methyltestosterone, metandienone) (via estrogenic metabolites) Certain progestins (e.g., norethisterone, noretynodrel, etynodiol diacetate, tibolone) Clomestrone Cloxestradiol acetate Conjugated equine estrogens/esterified estrogens (Premarin) 8,9-Dehydroestrone sulfate 17α-Dihydroequilenin sulfate 17α-Dihydroequilin sulfate 17β-Dihydroequilenin sulfate 17β-Dihydroequilin sulfate Equilenin sulfate Equilin sulfate Emmenin Epiestriol Epimestrol Estetrol^† Estradiol Estradiol acetate Estradiol benzoate Estradiol butyrylacetate Estradiol cypionate^# Estradiol dienanthate Estradiol dipropionate Estradiol diundecylate Estradiol diundecylenate Estradiol enanthate Estradiol furoate Estradiol glucuronide Estradiol hemihydrate Estradiol hemisuccinate (estradiol succinate) Estradiol hexahydrobenzoate Estradiol monopropionate Estradiol palmitate Estradiol phenylpropionate Estradiol pivalate (trimethyl estradiol acetate) Estradiol propoxyphenylpropionate Estradiol stearate Estradiol sulfate Estradiol undecylate Estradiol valerate Polyestradiol phosphate Estramustine Estriol Estriol diacetate benzoate Estriol glucuronide Estriol succinate Estriol sulfate Estriol sulfate glucuronide Estriol tripropionate Estrone Estrone acetate Estrone glucuronide Estrone sulfate Estropipate (piperazine estrone sulfate) Estrone tetraacetylglucoside Ethinyl estradiol^# Ethinyl estradiol sulfonate Hydroxyestrone diacetate Mestranol Methylestradiol Moxestrol Nilestriol Progynon Promestriene Quinestradol Quinestrol Non-steroidal: Benzestrol Bifluranol Chlorotrianisene Dienestrol Dienestrol diacetate Diethylstilbestrol (stilbestrol) Diethylstilbestrol diacetate Diethylstilbestrol dilaurate Diethylstilbestrol dipalmitate (stilpalmitate) Diethylstilbestrol dipropionate Diethylstilbestrol disulfate Diethylstilbestrol monobenzyl ether Dimestrol (diethylstilbestrol dimethyl ether) Fosfestrol (diethylstilbestrol diphosphate) Mestilbol (diethylstilbestrol monomethyl ether) Doisynoestrol (fenocycline) Hexestrol Hexestrol diacetate Hexestrol dicaprylate Hexestrol diphosphate Hexestrol dipropionate Methallenestril Methestrol dipropionate (promethestrol dipropionate) Paroxypropione Quadrosilan Zeranol

Progonadotropins	Antiandrogens (e.g., bicalutamide) GnRH agonists (e.g., GnRH (gonadorelin), leuprorelin) Gonadotropins (e.g., FSH, LH)

Antiestrogens

ER antagonists (incl. SERMs/SERDs)	Acolbifene^† Anordrin Bazedoxifene (+conjugated equine estrogens) Broparestrol Clomifene^# Cyclofenil Enclomifene^† Epitiostanol Etacstil ^§ Lasofoxifene Mepitiostane Ormeloxifene Ospemifene Raloxifene Tamoxifen^# Toremifene Exclusively antagonistic: Fulvestrant

Aromatase inhibitors	Non-selective: Aminoglutethimide Testolactone Selective: Anastrozole Exemestane Fadrozole Formestane Letrozole

Antigonadotropins	Androgens/anabolic steroids (e.g., testosterone, testosterone esters, nandrolone, oxandrolone, fluoxymesterone) D₂ receptor antagonists (prolactin releasers) (e.g., domperidone, metoclopramide, risperidone, haloperidol, chlorpromazine, sulpiride) GnRH agonists (e.g., leuprorelin, goserelin) GnRH antagonists (e.g., cetrorelix) Progestogens (e.g., chlormadinone acetate, cyproterone acetate, gestonorone caproate, hydroxyprogesterone caproate, medroxyprogesterone acetate, megestrol acetate)

Others	Mixed mechanism of action: Danazol Gestrinone

^#WHO-EM
^‡Withdrawn from market
Clinical trials:
- ^†Phase III
- ^§Never to phase III

See also: Androgens and antiandrogens • Progestogens and antiprogestogens • Glucocorticoids and antiglucocorticoids • Mineralocorticoids and antimineralocorticoids • Gonadotropins and GnRH

Estrogen receptor modulators

Agonists	Steroidal: 3α-Androstanediol 3β-Androstanediol 3α-Hydroxytibolone 3β-Hydroxytibolone 4-Androstenediol 4-Androstenedione 4-Hydroxyestradiol 4-Hydroxyestrone 5-Androstenediol 7-Oxo-DHEA 7α-Hydroxy-DHEA 7β-Hydroxyepiandrosterone 8,9-Dehydroestradiol 8,9-Dehydroestrone 8β-VE2 16α-Hydroxy-DHEA 16α-Hydroxyestrone 16α-Iodo-E2 16α-LE2 16β,17α-Epiestriol (16β-hydroxy-17α-estradiol) 17α-Dihydroequilenin 17α-Dihydroequilin 17α-Epiestriol (16α-hydroxy-17α-estradiol) 17β-Dihydroequilenin 17β-Dihydroequilin Abiraterone Abiraterone acetate 17α-Estradiol (alfatradiol) Alestramustine Almestrone Anabolic steroids (e.g., testosterone and esters, methyltestosterone, metandienone (methandrostenolone), nandrolone and esters, many others; via estrogenic metabolites) Atrimustine Bolandiol Bolandiol dipropionate Butolame Clomestrone Cloxestradiol Cloxestradiol acetate DHEA DHEA-S Digitoxin (digitalis) Diosgenin Epiestriol (16β-epiestriol, 16β-hydroxy-17β-estradiol) Epimestrol Equilenin Equilin Estetrol Estradiol Estradiol 3-propionate Estradiol acetate Estradiol benzoate Estradiol butyrate benzoate Estradiol butyrylacetate Estradiol cyclooctyl acetate Estradiol cypionate Estradiol decanoate Estradiol dienanthate Estradiol dipropionate Estradiol diundecylate Estradiol diundecylenate Estradiol enanthate Estradiol furoate Estradiol glucuronide Estradiol hemihydrate Estradiol hemisuccinate (estradiol succinate) Estradiol hexahydrobenzoate Estradiol monopropionate Estradiol mustard Estradiol palmitate Estradiol pivalate (trimethyl estradiol acetate) Estradiol propoxyphenylpropionate Estradiol stearate Estradiol sulfate Estradiol undecylate Estradiol valerate Lipoidal estradiol Estramustine Estramustine phosphate Estrapronicate Estrazinol Estriol Estriol acetate benzoate Estriol glucuronide Estriol sodium succinate Estriol succinate Estriol sulfate Estriol sulfate glucuronide Estriol triacetate Estriol tripropionate Estrofurate Estromustine Estrone Estrone acetate Estrone cyanate Estrone glucuronide Estrone sulfate Estrone tetraacetylglucoside Estropipate Etamestrol (eptamestrol) Ethinyl estradiol Ethinyl estradiol sulfonate Ethinyl estriol Etynodiol diacetate Guggulsterone Hexolame Hydroxyestrone diacetate Mestranol Methylestradiol Moxestrol Mytatrienediol Nilestriol Noretynodrel Orestrate Pentolame Phytosterols (e.g., β-sitosterol, campesterol, stigmasterol) Polyestradiol phosphate Prodiame Prolame Promestriene Quinestradol Quinestrol Non-steroidal: (R,R)-THC (S,S)-THC 1-Keto-1,2,3,4-tetrahydrophenanthrene 2,8-DHHHC Allenoic acid Alternariol Anethole Anol Benzestrol Bifluranol Biochanin A Bisdehydrodoisynolic acid Carbestrol Chalconoids (e.g., isoliquiritigenin, phloretin, phlorizin (phloridzin), wedelolactone) Coumestans (e.g., coumestrol, psoralidin) Deoxymiroestrol Dianethole Dianol Diarylpropionitrile Dieldrin Dienestrol Dienestrol acetate Diethylstilbestrol Diethylstilbestrol diacetate Diethylstilbestrol dilaurate Diethylstilbestrol dipalmitate Diethylstilbestrol dipropionate Diethylstilbestrol disulfate Diethylstilbestrol monobenzyl ether Dimestrol (dianisylhexene) Dimethylallenolic acid Doisynoestrol (fenocycline) Doisynolic acid Efavirenz Endosulfan ERB-196 (WAY-202196) Estrobin (DBE) Fenarimol Fenestrel FERb 033 Flavonoids (incl. 7,8-DHF, 8-prenylnaringenin, apigenin, baicalein, baicalin, calycosin, catechin, daidzein, daidzin, ECG, EGCG, epicatechin, equol, formononetin, glabrene, glabridin, genistein, genistin, glycitein, kaempferol, liquiritigenin, mirificin, myricetin, naringenin, pinocembrin, prunetin, puerarin, quercetin, tectoridin, tectorigenin) Fosfestrol (diethylstilbestrol diphosphate) Furostilbestrol (diethylstilbestrol difuroate) GTx-758 Hexestrol Hexestrol diacetate Hexestrol dicaprylate Hexestrol diphosphate Hexestrol dipropionate ICI-85966 (Stilbostat) Lavender oil Lignans (e.g., enterodiol, enterolactone) Mestilbol Metalloestrogens (e.g., cadmium) Methallenestril Methestrol Methestrol dipropionate Methiocarb Methoxychlor Miroestrol Nyasol (cis-hinokiresinol) Paroxypropione Pentafluranol Phenestrol Photoanethole Prinaberel (ERB-041, WAY-202041) Propylpyrazoletriol Resorcylic acid lactones (e.g., zearalanone, zearalenol, zearalenone, zeranol (α-zearalanol), taleranol (teranol, β-zearalanol)) Quadrosilan SC-4289 SKF-82,958 Stilbenoids (e.g., resveratrol) Synthetic xenoestrogens (e.g., alkylphenols, bisphenols (e.g., BPA, BPF, BPS), DDT, parabens, PBBs, PHBA, phthalates, PCBs) Terfluranol WAY-166818 WAY-200070 Triphenylchlorethylene Triphenylmethylethylene WAY-214156

Mixed (SERMs)	2-Hydroxyestradiol 2-Hydroxyestrone 27-Hydroxycholesterol Acefluranol Acolbifene Afimoxifene Anordrin Anordriol Arzoxifene Bazedoxifene Brilanestrant Broparestrol Elacestrant Chlorotrianisene Clomifene Clomifenoxide Cyclofenil Droloxifene Enclomifene Endoxifen Epitiostanol Etacstil (GW-5638, DPC-974) Ethamoxytriphetol (MER-25) Femarelle Fispemifene ICI-55548 Idoxifene Lasofoxifene Levormeloxifene LY-117018 Menerba Mepitiostane Methylepitiostanol Miproxifene Nafoxidine Nitromifene Ormeloxifene Ospemifene Panomifene Phenytoin Pipendoxifene Raloxifene SS1010 Tamoxifen TAS-108 (SR-16234) Tesmilifene Tibolone Toremifene Trioxifene Y-134 Zindoxifene Zuclomifene

Antagonists	(R,R)-THC 7β-Hydroxy-DHEA Cytestrol acetate Fulvestrant (ICI-182780) ICI-164384 Methylpiperidinopyrazole MIBE PHTPP Prochloraz RU-58668 SS1020 TAS-108 (SR-16234) XCT-790 ZK-164015 ZK-191703

GPER

Agonists	2-Methoxyestradiol 7β-Hydroxyepiandrosterone Afimoxifene (4-hydroxytamoxifen) Atrazine Bisphenol A Daidzein DDT (p,p'-DDT, o',p'-DDE) Equol Estradiol Ethinyl estradiol Fulvestrant (ICI-182780) G-1 Genistein GPER-L1 GPER-L2 Hydroxytyrosol Kepone Niacin Nicotinamide Nonylphenol Oleuropein PCBs (2,2',5'-PCB-4-OH) Propylpyrazoletriol Quercetin Raloxifene Resveratrol Tamoxifen Tectoridin Zearalanone Zearalenol Zearalenone Zeranol (zearalanol))

Antagonists	CCL18 Estriol G-15 G-36 MIBE

See also: Androgenics • Glucocorticoidics • Mineralocorticoidics • Progestogenics • Steroid hormone metabolism modulators

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