| norgestrienone | <chemical> 17-hydroxy-19-nor-17 alpha-pregna-4,9,11-trien-20-yn-3-one. A synthetic steroid with progestational and contraceptive activities. Pharmacological action: contraceptives, oral, synthetic, progestational hormones, synthetic. Chemical name: 19-Norpregna-4,9,11-trien-20-yn-3-one, 17-hydroxy-, (17alpha)- (12 Dec 1998) |
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Synonyms : A-301, R2010, A 301, A301
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