1-哌啶-4-乙酮

4-(1-羟基乙基)哌啶-1-羧酸叔丁酯

tert-butyl 4-(3-oxo-4-phenylbutanoyl)piperidine-1-carboxylate

2-溴-1-(1-boc-哌啶-4-基)乙酮

1-哌啶-4-基乙醇