1-benzylpiperidine-4-carbonyl chloride

4-[4-[hydroxy(diphenyl)methyl]piperidin-1-yl]butanal

1-苯甲酰哌啶-4-羧酸

3-奎宁环酮

1-(2-氯乙酰基)-4-哌啶甲酸乙酯