英文别名13-ethyl-3-methoxy-18,19-dinor-17alpha-pregna-2,5(10)-dien-20-yn-17-ol; (17R)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol; (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; 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; 13β-ethyl-3-methoxy-17α-ethynyl-gona-2,5(10)-dien-17β-ol; 13β-ethyl-17α-ethynyl-3-methoxygona-2,5(10)-dien-17β-ol; dl-13-ethyl-17α-ethynyl-3-methoxygona-2,5(10)-dien-17-ol 
