Synonyms: | 11β-Hydroperoxy Dienogest;(11β,17α)-11-Hydroperoxy-17-hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile;(11beta,17alpha)-11-Hydroperoxy-17-hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile;Dienogest Impurity K (11beta-Hydroperoxy Dienogest);2-[(8S,13S,14S,17R)-11-hydroperoxy-17-hydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]acetonitrile;Dienogest 11β-Hydroperoxy Impurity;19-Norpregna-4,9-diene-21-nitrile, 11-hydroperoxy-17-hydroxy-3-oxo-, (11β,17α)- (9CI);Dienogest Impurity 33 |