英文别名dl-3-methoxy-13β-ethylgona-2,5(10)-dien-17β-ol; LEVONORGESTREL IMPURITY Q; (8R,9S,13S,14S,17S)-13-ethyl-3-methoxy-1,4,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-ol; 13-ETHYL-3-METHOXYGONA-2,5(10)-DIEN-17SS-OL; (+/-)-13-ethyl-3-methoxygona-2,5(10)-dien-17-ol; (17Beta)-13-Ethyl-3-methoxygona-2,5(10)-dien-17-ol; 13-Ethyl-3-methoxy-gona-2,5(10)-dien-17β-ol; EINECS 213-860-9; 13-ethyl-3-methoxygona-2,5(10)-dien-17β-ol; 13-ethyl-3-methoxygona-2,5(10)-diene-17beta-ol; (1)-13-Ethyl-3-methoxygona-2,5(10)-dien-17beta-ol; 13beta-Ethyl-3-methoxy-gona-2,5(10)-dien-17beta-ol; (+/-)-3-Methoxy-18-methylestra-2,5(10)-dien-17beta-ol; (1S,3aS,3bR,9bS,11aS)-11a-Ethyl-7-methoxy-2,3,3a,3b,4,5,6,9,9b,10,11,11a-dodecahydro-1H-cyclopenta[a]phenanthren-1-ol; (8R,9S,13S,14S,17S)-13-Ethyl-3-methoxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol; 13-Ethyl-3-methoxy-1,4,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-ol; Levonorgestrel Impurity 17（Levonorgestrel EP Impurity Q）; Levonorgestrel EP IMP Q 
