英文同义词: | (1)-13-Ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol;Einecs 212-350-3;Levonorgestrel IMpurity T;(17α)-(±)-13-Ethyl-3-Methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel IMpurity T);13-Ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,13,14,15,16,17-dode cahydro-1H-cyclopenta[a]phenanthren-17-ol (non-preferred name);Levonorgestrel Impurity 20(Levonorgestrel EP Impurity T);18,19-Dinorpregna-2,5(10)-dien-20-yn-17-ol, 13-ethyl-3-methoxy-, (17α)-(±)- (9CI);13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol |