Norgestimate35189-28-735 % similar Gestodene60282-87-333 % similar Methyl (17α,20E)-17,20-[(1-methoxyethylidene)bis(oxy)]-3-oxo-19-norpregna-4,20-diene-21-carboxylate1370003-76-132 % similar Methyl 2-(2'-methoxy-2',13-dimethyl-3-oxospiro[1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-17,5'-1,3-dioxolane]-4'-ylidene)acetate431579-34-932 % similar Bolandiol19793-20-531 % similar Mibolerone3704-09-431 % similar Gestrinone16320-04-031 % similar Nandrolone434-22-030 % similar