英文同义词: | Ethynylestradiol IMpurity M;Ethinylestradiol Impurity M;Ethinylestradiol Impurity 19;19-Norpregna-1,3,5(10),6-tetraen-20-yne-3,17-diol, 2-methyl-, (17α)- (9CI);(17α)-2-Methyl-19-norpregna-1,3,5(10),6-tetraen-20-yne-3,17-diol;Ethinylestradiol Impurity 1;(8R,9S,13S,14S,17S)-17-Ethynyl-2,13-dimethyl-8,9,12,13,14,15,16,17-octahydro-11H-cyclopenta[a]phenanthrene-3,17-diol |