ethyl (S)-(-)-2-[hydroxy(diphenyl)methyl]-1-pyrrolidinecarboxylate

(2S)-(?)-2-(羟基二苯甲基)-1--甲酸甲酯

(S)-1-ethyl 2-methyl pyrrolidine-1,2-dicarboxylate

溴化苯基镁

溴代苯