(20S)-3β.17.20-trihydroxy-pregnen-(5)-al-(21)

乙醇

(3S,8R,9S,10R,13S,14S)-3-chloro-10,13-dimethyl-3,4,7,8,9,10,11,12,13,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17(2H)-one

乙酸钾

对乙酰氨基苯磺酰氯