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)