| gestrinone | <chemical> A non-oestrogenic contraceptive which is a weak progestin with strong anti-progesterone properties. It is effective if used once a week orally or can also be used in intravaginal devices. Pharmacological action: contraceptives, oral, synthetic, progestational hormones, synthetic. Chemical name: 18,19-Dinorpregna-4,9,11-trien-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)- (12 Dec 1998) |
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