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发明人沈红梅,赵玉洁,冯建国. "Method for the Synthesis of 1-(4-chloro-2-cyanophenyl)-4-methylpiperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114104076 A, 授权公告日 2023-07-15.
发明人孙丽萍,陈志强,罗永刚. "A Process for Preparing High-Purity 1-(4-chloro-2-cyanophenyl)-4-methylpiperidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113404716 A, 授权公告日 2024-08-26.
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