发明人林芳,沈红梅,唐晓军. "Method for the Synthesis of 2-(Chloromethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115358664 A, 授权公告日 2020-01-07.
发明人马晓峰,王建平,刘建华. "A Process for Preparing High-Purity 2-(Chloromethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112560016 A, 授权公告日 2022-08-24.
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