中间体2-Pyridinecarboxaldehyde2-***甲醛1121-60-4≥98%黄棕色液体中间体3-Pyridinecarboxaldehyde3-***甲醛500-22-1≥98%黄棕色液体中间体4-Pyridinecarboxaldehyde4-***甲醛872-85-5≥98%黄棕色液体中间体Piperidine-2-carboxylicacid2-***甲酸535-75-1≥98%白色晶体粉末中间体Piperidine-3-carboxylicacid3-***甲酸498-95-3≥97%白色晶体粉末中间体Piperidine-4-carboxylicacid4-***甲酸498-94-2≥99%白色晶体粉末N-BOC-Piperidine-2-carboxylicacidN-Boc-2-***甲酸CAS:98303-20-9≥98%白色或类白色晶体粉末N-BOC-Piperidine-3-carboxylicacidN-BOC-3-***甲酸84358-12-3≥98%白色或类白色晶体粉末N-BOC-Piperidine-4-carboxylicacidN-BOC-4-***甲酸84358-13-4，174316-71-3≥98%白色或类白色晶体粉末N-Cbz-Piperidine-2-carboxylicacidN-Cbz-2-***甲酸71170-88-228697-07-6≥98%白色至类白色粉末N-Cbz-Piperidine-3-carboxylicacidN-Cbz-3-***甲酸78190-11-1≥98%白色至类白色粉末N-Cbz-Piperidine-4-carboxylicacidN-Cbz-4-***甲酸10314-98-4≥98%白色至类白色粉末中间体1-methyl-4-ChloropiperidineN-甲基-4-氯***5570-77-4≥99%无色-浅***液体中间体MethylPiperidine-2-carboxylate2-***甲酸甲酯（盐酸盐）41994-45-0≥99%***-2-羧酸甲酯浅***液体中间体MethylPiperidine-3-carboxylate3-***甲酸甲酯（盐酸盐）50585-89-2≥99%浅***液体中间体MethylPiperidine-4-carboxylate4-***甲酸甲酯（盐酸盐）2971-79-1≥99%***-4-羧酸甲酯浅***液体中间体Ethylpiperidine-2-carboxylate2-***甲酸乙酯（盐酸盐）15862-72-3≥99%***-2-羧酸乙酯浅***液体中间体Ethylpiperidine-3-carboxylate3-***甲酸乙酯（盐酸盐）5006-62-2≥99%***-3-羧酸乙酯浅***液体中间体Ethylpiperidine-4-carboxylate4-***甲酸乙酯（盐酸盐）1126-09-6≥99%***-4-羧酸乙酯浅***液体中间体MethylPiperidine-2-carboxylate2-***甲酸甲酯盐酸盐32559-18-5≥99%白色-类白色晶体粉末中间体MethylPiperidine-3-carboxylate3-***甲酸甲酯盐酸盐≥99%白色-类白色晶体粉末中间体MethylPiperidine-4-carboxylate4-***甲酸甲酯盐酸盐7462-86-4≥99%白色-类白色晶体粉末中间体Ethylpiperidine-2-carboxylate2-***甲酸乙酯盐酸盐77034-33-4≥99%白色-类白色晶体粉末中间体Ethylpiperidine-3-carboxylate3-***甲酸乙酯盐酸盐4842-86-8≥99%白色-类白色晶体粉末中间体Ethylpiperidine-4-carboxylate4-***甲酸乙酯盐酸盐≥99%白色-类白色晶体粉末中间体Methyl1-methylPiperidine-2-carboxylate1-甲基-2-***甲酸甲酯30727-18-5≥98%浅***液体中间体MethylN-methylPiperidine-3-carboxylate1-甲基-3-***甲酸甲酯1690-72-8≥98%浅***液体中间体MethylN-methylPiperidine-4-carboxylate1-甲基-4-***甲酸甲酯1690-75-1≥98%浅***液体中间体Ethyl1-methylpiperidine-2-carboxylate1-甲基-2-***甲酸乙酯30727-18-5≥98%浅***液体中间体Ethyl1-methylpiperidine-3-carboxylate1-甲基-3-***甲酸乙酯5166-67-6≥98%浅***液体Ethyl1-methylpiperidine-4-carboxylate1-甲基-4-***甲酸乙酯24252-37-7≥98%浅***液体中间体MethylN-Boc-piperidine-2-carboxylateN-Boc-2-***甲酸甲酯167423-93-0≥98%浅***粘稠液体中间体MethylN-Boc-piperidine-3-carboxylateN-Boc-3-***甲酸甲酯148763-41-1≥98%浅***粘稠液体中间体MethylN-Boc-piperidine-4-carboxylateN-Boc-4-***甲酸甲酯124443-68-1≥98%浅***粘稠液体中间体EthylN-Boc-piperidine-2-carboxylateN-Boc-2-***甲酸乙酯362703-48-8≥98%浅***粘稠液体中间体EthylN-Boc-piperidine-3-carboxylateN-Boc-3-***甲酸乙酯130250-54-3≥98%浅***粘稠液体中间体EthylN-Boc-piperidine-4-carboxylateN-Boc-4-***甲酸乙酯142851-03-4≥98%浅***粘稠液体N-Cbz-4-***甲酸甲酯138163-07-2≥98%浅***液体中间体Ethyl(R)-nipecotate(R)-3-***甲酸乙酯25137-01-3≥99%Ｒ-Nipecoticacid25137-00-2浅***液体中间体Ethyl(S)-nipecotate(S)-3-***甲酸乙酯37675-18-6≥99%浅***液体中间体Ethyl(R)-nipecotate,L-tartrate(R)-3-***甲酸乙酯-酒石酸盐167392-57-6≥99%白色晶体粉末中间体Ethyl(S)-nipecotate,D-tartrate(S)-3-***甲酸乙酯-酒石酸盐83602-38-4≥99%白色晶体粉末中间体3-Piperidinecarboxamide3-***甲酰胺4138-26-5≥98%白色晶体粉末中间体4-Piperidinecarboxamide4-***甲酰胺39546-32-2≥98%白色至类白色粉末中间体2-piperidinemethanol2-******3433-37-2≥98%白色至类白色粉末中间体3-piperidinemethanol3-******4606-65-9≥98%白色至类白色粉末中间体4-piperidinemethanol4-******6457-49-4≥98%4-(Hydroxymethyl)piperidine4-羟甲基***类白色至类白色粉末中间体1-methyl2-piperidinemethanol1-甲基-2-******67686-01-5≥98%浅***液体中间体