发明人郑宇鹏,徐明华,李文辉. "Method for the Synthesis of 2-[(propan-2-ylcarbamoyl)amino]benzoic acid" [P]. 中国发明专利, 专利号 CN 108952308 B, 授权公告日 2015-09-03.
发明人沈红梅,王建平,高志强. "A Process for Preparing High-Purity 2-[(propan-2-ylcarbamoyl)amino]benzoic acid" [P]. 中国发明专利, 专利号 CN 109134478 B, 授权公告日 2015-01-10.
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