发明人张德明,陈志强,郑宇鹏. "Method for the Synthesis of 1-(Piperazine-1-carbonyl)piperidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115595699 A, 授权公告日 2017-08-11.
Mueller T C, Schröder R, Kowalski A. "A Process for Preparing High-Purity 1-(Piperazine-1-carbonyl)piperidine-3-carboxylic acid" [P]. European Patent, EP 3412364 A1, 2016-11-25.
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