6,17-Dimethyl-6-dehydroprogesterone 6,17-Dimethylpregna-4,6-diene-3,20-dione 6-Methyl-6-dehydro-17-methylprogesterone 977-79-7 AY 13615S AY-62022 BRN 2302887 Colpro Colprone EINECS 213-555-0 Etogyn MEDROGESTONE Medrogesterone Medrogestona [INN-Spanish] Medrogestone [USAN:BAN:INN] Medrogestonum [INN-Latin] Metrogestone NSC 123018 Pregna-4,6-diene-3,20-dione, 6,17-dimethyl- Prothil R 13615