Medical Subject Headings

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/MESH/D004997
http://purl.bioontology.org/ontology/MESH/D004997
Preferred Name

Ethinyl Estradiol

Definitions
A semisynthetic alkylated ESTRADIOL with a 17-alpha-ethinyl substitution. It has high estrogenic potency when administered orally, and is often used as the estrogenic component in ORAL CONTRACEPTIVES.
Synonyms
Ethynyl Estradiol
Lynoral
Ethinyl Estradiol, (8 alpha,17 alpha)-Isomer
Ethinyl Estradiol, (8 alpha,9 beta,13 alpha,14 beta)-Isomer
Progynon C
Ethinylestradiol Jenapharm
Microfollin
Estradiol, Ethynyl
Ethinyl Estradiol Hemihydrate
Jenapharm, Ethinylestradiol
Ethinyl-Oestradiol Effik
Microfollin Forte
Hemihydrate, Ethinyl Estradiol
19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha)-
Ethinyloestradiol
Ethinyl Oestradiol Effik
Ethinyl Estradiol, (8 alpha)-Isomer
Estradiol, Ethinyl
Ethinyl Estradiol, (9 beta,17 alpha)-Isomer
Estinyl
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Type http://www.w3.org/2002/07/owl#Class
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