(8R,9S,13S,14S)-3-(benzyloxy)-2-hydroxy-13-methyl-7,8,9,11,12,13,15,16-octahydro-6H-cyclopenta[a]phenanthren-17(14H)-one

2-acetyl-3-benzyloxyestra-1,3,5(10)-trien-17-one

(8R,9S,13S,14S)-3-(benzyloxy)-13-methyl-17-oxo-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-2-yl acetate

甲醇

重氮甲烷