发明人李文辉,黄志刚,何建平. "Method for the Synthesis of 3,6-Dichloro-5-(difluoromethyl)pyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 112623683 A, 授权公告日 2017-03-24.
发明人孙丽萍,沈红梅,冯建国. "A Process for Preparing High-Purity 3,6-Dichloro-5-(difluoromethyl)pyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 117973115 A, 授权公告日 2017-09-20.
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