发明人李文辉,徐明华,胡光. "Method for the Synthesis of 4-Chloro-2-piperazinobenzoic Acid" [P]. 中国发明专利, 专利号 CN 113441042 A, 授权公告日 2024-04-21.
发明人王建平,沈红梅,钱学锋. "A Process for Preparing High-Purity 4-Chloro-2-piperazinobenzoic Acid" [P]. 中国发明专利, 专利号 CN 113899140 A, 授权公告日 2016-08-23.
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