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中间体Piperidine-2-carboxylic acid   2-哌啶甲酸  535-75-1  ≥98%
中间体Piperidine-3-carboxylic acid  3-哌啶甲酸    498-95-3  ≥97%
中间体Piperidine-4-carboxylic acid   4-哌啶甲酸   498-94-2  ≥99%
N -Boc-2-哌啶甲酸CAS: 98303-20-9 2971-79-1
N-BOC-3-哌啶甲酸84358- 12-3
N-BOC- Piperidine-4-carboxylic acid     N-BOC-4-哌啶甲酸 84358-13-4      ≥98%
中间体 Methyl Piperidine-2-carboxylate  2-哌啶甲酸甲酯（盐酸盐）  41994-45-0  ≥99%   哌啶-2-羧酸甲酯
中间体 Methyl Piperidine-3-carboxylate  3-哌啶甲酸甲酯（盐酸盐） 50585-89-2  ≥99%  Methyl nipecotate
中间体 Methyl Piperidine-4-carboxylate  4-哌啶甲酸甲酯（盐酸盐）  2971-79-1  ≥99%  哌啶-4-羧酸甲酯Methyl isonipecotate
中间体 Ethyl piperidine-2-carboxylate  2-哌啶甲酸乙酯（盐酸盐）  15862-72-3  ≥99%  哌啶-2-羧酸乙酯
中间体 Ethyl piperidine-3-carboxylate  3-哌啶甲酸乙酯（盐酸盐）  5006-62-2   ≥99%  哌啶-3-羧酸乙酯
中间体 Ethyl piperidine-4-carboxylate  4-哌啶甲酸乙酯（盐酸盐）   1126-09-6
中间体 Methyl 1-methyl Piperidine-2-carboxylate  1-甲基-2-哌啶甲酸甲酯 30727-18-5  ≥98%   
Ethyl 1-methylpipecolinate
中间体 Methyl 1-methyl Piperidine-3-carboxylate  1-甲基-3-哌啶甲酸甲酯1690-72-8
中间体 Ethyl 1-methyl piperidine-3-carboxylate  1-甲基-3-哌啶甲酸乙酯 5166-67-6     ≥98%
Ethyl 1-methyl piperidine-4-carboxylate  1-甲基-4-哌啶甲酸乙酯         ≥98%
中间体  1-乙氧羰基甲基-4-哌啶甲酸乙酯
中间体 Methyl N-Boc-piperidine-3-carboxylate   N-Boc-3-哌啶甲酸甲酯  148763-41-1   ≥98%
中间体Methyl N-Boc-piperidine-4-carboxylate  N-Boc-4-哌啶甲酸甲酯   124443-68-1  ≥98%
中间体Ethyl N-Boc-piperidine-2-carboxylate      N-Boc-2-哌啶甲酸乙酯     362703-48-8   ≥98%
中间体Ethyl N-Boc-piperidine-3-carboxylate  N-Boc-3-哌啶甲酸乙酯     130250-54-3   ≥98%
中间体Ethyl N-Boc-piperidine-4-carboxylate   N-Boc-4-哌啶甲酸乙酯    ≥98%
中间体Ethyl (R)-nipecotate  (R)-3-哌啶甲酸乙酯 25137-01-3 ≥99%  Ｒ-Nipecotic acid   25137-00-2
中间体Ethyl (S)-nipecotate (S)-3-哌啶甲酸乙酯 37675-18-6  ≥99%
中间体Ethyl (R)-nipecotate,L-tartrate  (R)-3-哌啶甲酸乙酯-L酒石酸盐  167392-57-6   ≥99%

中间体Ethyl (S)-nipecotate,L-tartrate  (S)-3-哌啶甲酸乙酯-D酒石酸盐  83602-38-4   ≥99%
中间体2-Piperidine carboxamide   2-哌啶甲酰胺
中间体3-Piperidine carboxamide   3-哌啶甲酰胺  4138-26-5  ≥98%
中间体4-Piperidine carboxamide   4-哌啶甲酰胺 39546-32-2   ≥98%   Isonipecotamide
中间体 2-piperidine methanol  2-哌啶甲醇   3433-37-2   ≥98%
中间体 3-piperidine methanol  3-哌啶甲醇    4606-65-9    ≥98%
中间体 4-piperidine methanol   4-哌啶甲醇  6457-49-4  ≥98%    4-(Hydroxymethyl)piperidine   4-羟甲基哌啶
N-苄氧羰基-4-哌啶甲醇
N-苄氧羰基-3-哌啶甲醇
N-苄氧羰基-2-哌啶甲醇

中间体 1-methyl 4-piperidinemethanol 1-甲基-4-哌啶甲醇  20691-89-8   ≥98%
中间体N-Boc-3-piperidinemethanol  N-Boc-3-哌啶甲醇  116574-71-1  ≥97%
N-Boc-4-piperidinemethanol  N-Boc-4-哌啶甲醇  123855-51-6  ≥97%  N-叔丁氧羰基-4-哌啶甲醇
中间体 N-ethoxycarbonyl-4-piperidinemethanol   N-乙氧羰基-4-哌啶甲醇
中间体 N-氯基-4-哌啶甲醇    ≥98%  
中间体  Methyl 1-benzylpiperidine-4-carboxylate   1-苄基-4-哌啶甲酸甲酯   ≥98%
中间体  Ethyl 1-benzylpiperidine-4-carboxylate  1-苄基-4-哌啶甲酸乙酯   24228-40-8.  ≥98%
中间体  1-benzyl-4-piperidinemethanol  1-苄基-4-哌啶甲醇    67686-01-5   ≥98%
中间体N-Benzylpiperidine-4-carboxyaldehyde   1-苄基-4-哌啶甲醛   22065-85-6   ≥95%