发明人赵玉洁,胡光,杨光. "Method for the Synthesis of 2-Chloro-5-[(methylcarbamoyl)amino]benzoic acid" [P]. 中国发明专利, 专利号 CN 114792771 B, 授权公告日 2018-09-10.
发明人刘建华,朱建伟,马晓峰. "A Process for Preparing High-Purity 2-Chloro-5-[(methylcarbamoyl)amino]benzoic acid" [P]. 中国发明专利, 专利号 CN 117124697 A, 授权公告日 2016-04-27.
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