发明人孙丽萍,杨光,何建平. "Method for the Synthesis of 1-[(pyridin-4-yl)methyl]piperidine-4-carboxylic acid dihydrochloride" [P]. 中国发明专利, 专利号 CN 110677282 A, 授权公告日 2021-04-12.
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