英文别名
17-hydroxy-19,21,24-trinor-17βH-chol-4-en-20-yn-3-one;17-Hydroxy-19,21,24-trinor-17βH-chol-4-en-20-in-3-on;21-Methylnorethisterone;(8R,9S,10R,13S,14S,17S)-17-hydroxy-13-methyl-17-prop-1-ynyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one