英文别名:
(17R)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol;Einecs 238-514-4;(8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol;Levonorgestrel EP impurity T;18,19-Dinorpregna-2,5(10)-dien-20-yn-17-ol, 13-ethyl-3-methoxy-, (17α)-;(17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T);(17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T);13-ethyl-3-methoxy-18,19-dinor-17a-pregna-2,5(10)-dien-20-yn-17-ol