Synonyms: | (17α)-17-(Acetyloxy)-19-norpregn-4-ene-3,20-dione;17-Desethynyl Norethindrone Diacetate;17-Hydroxy-19-nor-17α-pregn-4-ene-3,20-dione Acetate;Norethindrone IMpurity E;[(8R,9S,10R,13S,14S,17S)-17-acetyl-13-methyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate;Norethindrone Acetate EP Impurity E;19-Norpregn-4-ene-3,20-dione, 17-(acetyloxy)-, (17α)- (9CI);Norethindrone Acetate Impurity 5 (Norethindrone Acetate EP Impurity E) |