英文同义词: | 6-Oxo Norethindrone Acetate;(17α)-17-(Acetyloxy)-19-norpregn-4-en-20-yne-3,6-dione;6-Ketonorethindrone Acetate (Norethindrone IMpurity G);Norethindrone Impurity G (6-Keto Norethindrone Acetate);Norethindrone Acetate Impurity 16;Norethindrone Impurity G;[(8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-3,6-dioxo-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate;Norethindrone Acetate EP Impurity G |