发明人林芳,王建平,韩伟. "Method for the Synthesis of 2-(3,4-dichlorophenyl)-5-(methylsulfamoyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 109996549 A, 授权公告日 2022-11-10.
发明人赵玉洁,罗永刚,沈红梅. "A Process for Preparing High-Purity 2-(3,4-dichlorophenyl)-5-(methylsulfamoyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 110943261 B, 授权公告日 2017-08-03.
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