20,20-ethylenedioxy-3β-methyl-5α-pregnan-3α-ol

氢化黄体酮

甲基氯化镁

1-((3R,5S,8R,9S,10S,13S,14S,17S)-3-hydroxy-3-(iodomethyl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethan-1-one

(3R)-spiro[oxirane-2',5α-pregnan]-20-one