英文名稱
(5alpha,17alpha)-13-Ethyl-11-methylene-18,19-dinorpregn-3-en-20-yn-17-ol
(5S,8S,9R,10S,13S,14S,17R)-13-乙基-17-乙炔基-11-亞甲基-2,5,6,7,8,9,10,11,12,13,14, 15,16,17-十四氫-1H-環戊基[a]菲-17-醇 (去氧孕烯雜質)
Standards; Pharmaceutical/API Drug Impurities/Metabolites; Steroids;
(5α,17α)-13-Ethyl-11-methylene-18,19-dinorpregn-3-en-20-yn-17-ol is an impurity of Desogestrel (D296875), a progestogen with low androgenic potency.