发明人刘建华,李文辉,徐明华. "Method for the Synthesis of 6-Chloro-2-(difluoromethyl)-5-iodonicotinic acid" [P]. 中国发明专利, 专利号 CN 109203623 A, 授权公告日 2022-10-19.
发明人马晓峰,冯建国,钱学锋. "A Process for Preparing High-Purity 6-Chloro-2-(difluoromethyl)-5-iodonicotinic acid" [P]. 中国发明专利, 专利号 CN 113162364 A, 授权公告日 2022-06-18.
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