| ethinylestrenol | <chemical> (17 alpha)-19-norpregn-4-en-20-yn-17-ol. A synthetic progestational hormone used often in mixtures with oestrogens as an oral contraceptive. Pharmacological action: contraceptives, oral, synthetic, progestational hormones, synthetic. Chemical name: 19-Norpregn-4-en-20-yn-17-ol, (17alpha)- (12 Dec 1998) |
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