20(S)-羟基强的松龙 、
3-氯苯甲酰乙腈 、 (Z)-2,2,2-trifluoro-N,1-bis(trimethylsilyl)ethanimine 、
吡啶 生成 (E,8S,9S,10R,11S,13S,14S,17R)-17-[(1S)-1,2-bis(trimethylsilyloxy)ethyl]-N-methoxy-10,13-dimethyl-11,17-bis(trimethylsilyloxy)-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-imine