发明人李文辉,马晓峰,孙丽萍. "Method for the Synthesis of 2,6-difluoro-3-sulfamoylbenzoic acid" [P]. 中国发明专利, 专利号 CN 114199017 B, 授权公告日 2024-10-03.
发明人李文辉,林芳,韩伟. "A Process for Preparing High-Purity 2,6-difluoro-3-sulfamoylbenzoic acid" [P]. 中国发明专利, 专利号 CN 117146996 A, 授权公告日 2025-07-24.
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