| Synonyms: | 1β,2β-Dihydro-17-hydroxy-3'H-cyclopropa[1,2]pregna-1,4-diene-3,6,20-trione Acetate;Cyproterone Acetate EP Impurity E;Cyproterone Acetate Impurity 5（Cyproterone Acetate EP Impurity E）;3'H-Cyclopropa[1,2]pregna-1,4-diene-3,6,20-trione, 1β,2β-dihydro-17-hydroxy-, acetate (8CI);(2aR,3aS,3bS,3cS,5aS,6R,8aS,8bR)-6-Acetyl-3b,5a-dimethyl-2,10-dioxo-2,2a,3,3a,3b,3c,4,5,5a,6,7,8,8a,8b,9,10-hexadecahydrocyclopenta[a]cyclopropa[g]phenanthren-6-yl acetate (Cyproterone Acetate Impurity);6-Keto Cyproterone Acetate |