英文别名:
(17R)-17-(Trimethylsiloxy)-19-norpregn-4-en-20-yn-3-one;(17α)-17-[(TriMethylsilyl)oxy]-19-norpregn-4-en-20-yn-3-one;17-(TriMethylsiloxy)-19-nor-17α-pregn-4-en-20-yn-3-one;17-O-TriMethylsilyl Norethindrone;19-Norpregn-4-en-20-yn-3-one, 17-[(trimethylsilyl)oxy]-, (17α)- (9CI)