发明人何建平,刘建华,唐晓军. "Method for the Synthesis of 5-(Difluoromethyl)-3,6-difluoropyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 117158341 B, 授权公告日 2016-05-10.
发明人刘建华,唐晓军,高志强. "A Process for Preparing High-Purity 5-(Difluoromethyl)-3,6-difluoropyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 114666411 A, 授权公告日 2018-05-19.
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