N-叔丁氧羰基-4-哌啶酮

4-氯苯硼酸

4-氯苯基溴化镁

3,6-二氢-4-[[(三氟甲基)磺酰]氧基]-1(2H)-吡啶甲酸叔丁酯

tert-butyl 4-(4-chlorophenyl)-4-hydroxypiperidine-1-carboxylate