发明人杨光,郑宇鹏,陈志强. "Method for the Synthesis of 2-((4-(Butylcarbamoyl)phenyl)carbamoyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 116628733 B, 授权公告日 2018-05-07.
发明人韩伟,张德明,林芳. "A Process for Preparing High-Purity 2-((4-(Butylcarbamoyl)phenyl)carbamoyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 114375202 B, 授权公告日 2019-05-11.
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