(7E,22E)-(1R,3R,20R,24S)-1,3-Bis [[dimethyl(1,1-dimethylethyl)silyl]oxy]-20-fluoro-24-hydroxy-19-nor-9,10-secocholesta-5,7,22-triene-25-carboxylic acid ethyl ester 生成
(1R,3R,20R,24S)-20-Fluoro-1,3,24-trihydroxy-19-nor-9,10-secocholesta-5,7,22-triene-25-carboxylic acid ethyl ester