英文同义词: | (17α)-13-Ethyl-18,19-dinorpregna-1,3,5(10)-trien-20-yne-3,17-diol;13-Ethyl-17α-ethynylgona-1,3,5(10)-triene-3,17β-diol;Ethinylestradiol 13-Ethyl Impurity;Ethinylestradiol Impurity 15;13β-Ethyl-18,19-dinor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol (A-Aromate-Levonorgestrel);13beta-Ethyl-18,19-dinor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol (A-Aromate-Levonorgestrel);18,19-Dinorpregna-1,3,5(10)-trien-20-yne-3,17-diol, 13-ethyl-, (17α)- (9CI);18-Methyl Ethynyl Estradiol |