发明人赵玉洁,徐明华,朱建伟. "Method for the Synthesis of 1-(Piperazine-1-carbonyl)piperidine-3-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 109073991 A, 授权公告日 2020-10-01.
发明人刘建华,沈红梅,林芳. "A Process for Preparing High-Purity 1-(Piperazine-1-carbonyl)piperidine-3-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 114320378 A, 授权公告日 2021-12-18.
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