英文别名:
Ethinyl Estradiol Dimer Impurity 1;Ethinylestradiol 4-Oxy Dimer;Ethinyl Estradiol Dimer Impurity;ETHYNYL ESTRADIOL DIMER IMPURITY 1;19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 4-[[(17α)-17-hydroxy-19-norpregna-1,3,5(10)-trien-20-yn-3-yl]oxy]-, (17α)- (9CI)