21-Benzoyloxy-4-pregnen-3,20-dion

21-Benzoyloxy-4-pregnen-3,20-dion-3-ethylendithioacetal

黄体酮

20ξ-cyano-20ξ-hydroxy-4-pregnen-3-one

1-((8S,9S,10R,13S,14S,17S)-10,13-dimethyl-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-yl)ethanone