| 4-排定甲酸乙酯(出現被限制詞語) | methyl piperidine-4-carboxylate（hydrochloride） | 1126-09-6 | 白色結晶體 | 99% |
| n-甲基-2-排定甲酸甲酯 | methyl 1-methylpiperidine-2-carboxylate | 30727-18-5 | 無色至淺黃色液體 | 99% |
| n-甲基-3-排定甲酸甲酯 | methyl 1-methylpiperidine-3-carboxylate | 1690-72-8 | 無色至淺黃色液體 | 99% |
| n-甲基-4-排定甲酸甲酯 | methyl 1-methylpiperidine-4-carboxylate | 1690-75-1 | 無色至淺黃色液體 | 99% |
| n-甲基-2-排定甲酸乙酯 | ethyl 1-methylpiperidine-2-carboxylate | 30727-18-5 | 無色至淺黃色液體 | 99% |
| n-甲基-3-排定甲酸乙酯 | ethyl 1-methylpiperidine-3-carboxylate | 5166-67-6 | 無色至淺黃色液體 | 99% |
| n-甲基-4-排定甲酸乙酯 | ethyl 1-methylpiperidine-4-carboxylate | 24252-37-7 | 無色至淺黃色液體 | 99% |
| n-boc-2-排定甲酸甲酯 | methyl 1-boc-piperidine-2-carboxylate | 167423-93-0 | 白色結晶體 | 99% |
| n-boc-3-排定甲酸甲酯 | methyl 1-boc-piperidine-3-carboxylate | 148763-41-1 | 白色結晶體 | 99% |
| n-boc-4-排定甲酸甲酯 | methyl 1-boc-piperidine-4-carboxylate | 124443-68-1 | 白色結晶體 | 99% |
| n-boc-2-排定甲酸乙酯 | methyl 1-boc-piperidine-2-carboxylate | 362703-48-8 | 白色結晶體 | 99% |
| n-boc-3-排定甲酸乙酯 | methyl 1-boc-piperidine-3-carboxylate | 130250-54-3 | 白色結晶體 | 99% |
| n-boc-4-排定甲酸乙酯 | methyl 1-boc-piperidine-4-carboxylate | 142851-03-4 | 白色結晶體 | 99% |
| （R）-3-排定甲酸甲酯-L-酒石酸鹽 | Methyl (R )-nipecotate,L-tartrate | 白色結晶體 | 99% |
4-排定甲酸乙酯(出現被限制詞語)1126-09-6