发明人张德明,杨光,何建平. "Method for the Synthesis of 2-(Difluoromethyl)-3-hydroxy-4-iodo-6-(trifluoromethoxy)pyridine" [P]. 中国发明专利, 专利号 CN 112026006 B, 授权公告日 2022-08-21.
发明人马晓峰,黄志刚,冯建国. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-hydroxy-4-iodo-6-(trifluoromethoxy)pyridine" [P]. 中国发明专利, 专利号 CN 112102998 B, 授权公告日 2015-06-08.
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