Mifepristone84371-65-3100 % similar Ulipristal acetate126784-99-463 % similar (5A,11B)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-ethanediyl acetal)126690-41-340 % similar Dienogest65928-58-740 % similar Gestrinone16320-04-037 % similar Trimegestone74513-62-536 % similar Methyltrienolone965-93-535 % similar 17β-Hydroxyestra-4,9-dien-3-one6218-29-733 % similar Norethindrone68-22-433 % similar Estra-4,9-diene-3,17-dione5173-46-633 % similar Trendione4642-95-930 % similar 9-Dehydromethyltestosterone1039-17-430 % similar