发明人王建平,沈红梅,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117024183 A, 授权公告日 2016-08-16.
发明人张德明,韩伟,李文辉. "Method for the Synthesis of 4-(n-Ethylmethylsulfonamido)benzoic acid" [P]. 中国发明专利, 专利号 CN 109330892 A, 授权公告日 2019-06-20.
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