2-哌啶甲酸　2-羧酸哌啶 535-75-1 Piperidine-2-carboxylic acid白色晶體粉末＞＝98

3-哌啶甲酸　3-羧酸哌啶498-95-3 Piperidine-3-carboxylic acid淺黃色結晶粉末＞＝97

4-哌啶甲酸 4-羧酸哌啶498-94-2 Piperidine-4-carboxylic acid白色晶體粉末＞＝99

N-Boc-2-哌啶甲酸　N-Boc-Piperidine-2-carboxylic acid 98303-20-9白色-類白色晶體粉末＞＝98

N-Boc-3-哌啶甲酸　84358-12-3 N-Boc-Piperidine-3-carboxylic acid白色-類白色晶體粉末＞＝98

N-Boc-4-哌啶甲酸　84358-13-4 N-Boc-Piperidine-4-carboxylic acid白色-類白色晶體粉末＞＝98