发明人王建平,朱建伟,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111155945 A, 授权公告日 2019-10-18.
发明人马晓峰,黄志刚,沈红梅. "Method for the Synthesis of N-methyl-4-Pyridinesulfonamide" [P]. 中国发明专利, 专利号 CN 116680979 B, 授权公告日 2019-12-13.
发明人李文辉,林芳,沈红梅. "A Process for Preparing High-Purity N-methyl-4-Pyridinesulfonamide" [P]. 中国发明专利, 专利号 CN 111327218 B, 授权公告日 2021-05-26.
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