发明人刘建华,郭海燕,罗永刚. "Method for the Synthesis of N-Methyl-2-nitrobenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 115613064 A, 授权公告日 2020-08-04.
发明人郭海燕,林芳,沈红梅. "A Process for Preparing High-Purity N-Methyl-2-nitrobenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 116187657 B, 授权公告日 2020-10-16.
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