发明人刘建华,黄志刚,高志强. "Method for the Synthesis of 1'-Methyl-[1,4'-bipiperidine]-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114194818 B, 授权公告日 2025-11-04.
发明人冯建国,韩伟,马晓峰. "A Process for Preparing High-Purity 1'-Methyl-[1,4'-bipiperidine]-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117531534 B, 授权公告日 2024-07-26.
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