发明人杨光,罗永刚,周伟. "Method for the Synthesis of N-((2,5-Dioxopyrrolidin-1-yl)methyl)-N-methylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 113385957 B, 授权公告日 2015-06-05.
发明人郭海燕,陈志强,沈红梅. "A Process for Preparing High-Purity N-((2,5-Dioxopyrrolidin-1-yl)methyl)-N-methylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 110859913 B, 授权公告日 2018-02-04.
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