发明人周伟,唐晓军,赵玉洁. "Method for the Synthesis of 2,3-difluoro-4-methylbenzene-1-sulfonamide" [P]. 中国发明专利, 专利号 CN 110075919 B, 授权公告日 2018-04-28.
发明人李文辉,沈红梅,王建平. "A Process for Preparing High-Purity 2,3-difluoro-4-methylbenzene-1-sulfonamide" [P]. 中国发明专利, 专利号 CN 112836515 B, 授权公告日 2020-02-14.
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