2-哌啶甲酸乙酯（盐酸盐）哌啶-2-羧酸乙酯Methyl Piperidine-2-carboxylate 浅黄色液体＞＝99
3-哌啶甲酸乙酯（盐酸盐）哌啶-3-羧酸乙酯 Ethyl Nipecotate Methyl Piperidine-3-carboxylate 浅黄色液体＞＝99
4-哌啶甲酸乙酯（盐酸盐）哌啶-4-羧酸乙酯 六氢异烟酸乙酯Methyl Piperidine-4-carboxylate 浅黄色液体＞＝99
1-甲基-3-哌啶甲酸乙酯Ethyl 1-methyl Piperidine-3-carboxylate 3-N-甲基哌啶甲酸乙酯ethyl 1-methylnipecotate 浅黄色液体＞＝98
1-甲基-4-哌啶甲酸乙酯Ethyl 1-methyl Piperidine-4-carboxylate 浅黄色液体＞＝98
N-Boc-2-哌啶甲酸乙酯 N-Boc-Piperidine-2-carboxylate 1-叔丁氧羰基-2-哌啶甲酸乙酯ethyl 1-Boc-piperidine-2-carboxylate 浅黄色粘稠液体＞＝98
N-Boc-3-哌啶甲酸乙酯 N-Boc-Piperidine-3-carboxylate ethyl 1-Boc-piperidine-3-carboxylate 浅黄色粘稠液体＞＝98
N-Boc-4-哌啶甲酸乙酯 N-Boc-Piperidine-4-carboxylate ethyl 1-Boc-piperidine-4-carboxylate 浅黄色粘稠液体＞＝98