17beta-(S)-Lactoyl-17-methylestra-4,9-dien-3-one 74513-62-5 Estra-4,9-dien-3-one, 17-(2-hydroxy-1-oxopropyl)-17-methyl-, (17beta(S))- RU 27987 Totelle Sekvens, Ondeva Trimegestone Trimegestone [INN]