Mestranol
Synonyms
19-Norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy-, (17alpha)-
Ethinyl Estradiol 3 Methyl Ether
Ethinyl Estradiol 3-Methyl Ether
The 3-methyl ether of ETHINYL ESTRADIOL. It must be demethylated to be biologically active. It is used as the estrogen component of many combination ORAL CONTRACEPTIVES.