英文同义词
Levonorgestrel IMpurity Q;(1)-13-Ethyl-3-methoxygona-2,5(10)-dien-17beta-ol;Einecs 213-860-9;(±)-13-ethyl-3-methoxygona-2,5(10)-dien-17beta-ol;Levonorgestrel EP impurity Q;dl-3-methoxy-13β-ethylgona-2,5(10)-dien-17β-ol;Levonorgestrel Impurity 17(Levonorgestrel EP Impurity Q);Levonorgestrel EP IMP Q