发明人王建平,郑宇鹏,李文辉. "Method for the Synthesis of 2-Amino-5-(4-methyl-1-piperazinyl)benzoic Acid" [P]. 中国发明专利, 专利号 CN 116521972 B, 授权公告日 2018-11-03.
发明人马晓峰,王建平,黄志刚. "A Process for Preparing High-Purity 2-Amino-5-(4-methyl-1-piperazinyl)benzoic Acid" [P]. 中国发明专利, 专利号 CN 114201715 A, 授权公告日 2018-10-03.
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