英文别名(17α)-3-Oxo-19-norpregna-4,6-dien-20-yn-17-yl acetate; [(8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-3-oxo-1,2,8,9,10,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl] acetate; 19-Nor-17-alpha-pregna-4,6-dien-20-yn-3-one, 17-hydroxy-, acetate; 6,7-Didehydronorethisterone Acetate; 17-alpha-Ethynyl-19-nor-delta(sup 4,6)-androstadiene-17-beta-ol-3-one-17-acetate; 17-Hydroxy-19-nor-17-alpha-pregna-4,6-dien-20-yn-3-one acetate; 6,7 Dehydro Norethindrone Acetate; 3-Oxo-19-norpregna-4,6-dien-20-yn-17-yl acetate; 3-Oxo-17alpha-19-norpregna-4,6-dien-20-yn-17-yl acetate; Norethindrone Impurity 12 (6,7-Dehydro Norethindrone Acetate); 17-Hydroxy-19-Nor-17alpha-pregna-4,6-dien-20-yn-3-one Acetate; 19-NOrpregna-4,6-dien-20-yn-3-one, 17-(acetyloxy)-, (17|A)-; 19-NOR-17.ALPHA.-PREGNA-4,6-DIEN-20-YN-3-ONE, 17-HYDROXY-, ACETATE; (8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-3-oxo-2,3,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate; 17-Hydroxy-19-Nor-17α-pregna-4,6-dien-20-yn-3-one Acetate; -6(7)-Norenthindrone Acetate 
