发明人周伟,马晓峰,罗永刚. "Method for the Synthesis of 5-(Difluoromethyl)-4,6-difluoropyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 113280202 A, 授权公告日 2017-10-16.
发明人赵玉洁,陈志强,黄志刚. "A Process for Preparing High-Purity 5-(Difluoromethyl)-4,6-difluoropyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 115000617 B, 授权公告日 2018-03-25.
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