4-(2-甲基苯基)哌啶-4-醇

3-羟基-4,4-二甲氧基-1-哌啶羧酸乙酯

3-氯-4-氧代-哌啶-1-羧酸叔丁酯

ethyl spiro[1,3-benzodioxole-2,4'-piperidine]-1'-carboxylate

4-氯-3-甲酰基-5,6-二氢-1(2H)-吡啶羧酸乙酯