发明人杨光,罗永刚,李文辉. "Method for the Synthesis of N,N,4-Trimethylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 112934071 B, 授权公告日 2016-07-23.
发明人郭海燕,赵玉洁,孙丽萍. "A Process for Preparing High-Purity N,N,4-Trimethylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 110400579 A, 授权公告日 2025-07-12.
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