1445-73-4
N-甲基-4-哌啶酮
→
16332-22-2
ethyl 4-hydroxy-4-phenylpiperidine-1-carboxylate
108-86-1
溴代苯
+
29976-53-2
N-乙氧羰基-4-哌啶酮
40807-61-2
4-苯基-4-羟基哌啶