发明人郭海燕,马晓峰,陈志强. "Method for the Synthesis of 4-Chloro-6-(difluoromethyl)-3-methoxypyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 116550275 B, 授权公告日 2016-01-08.
发明人郑宇鹏,林芳,罗永刚. "A Process for Preparing High-Purity 4-Chloro-6-(difluoromethyl)-3-methoxypyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 113311505 A, 授权公告日 2025-05-16.
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