发明人沈红梅,杨光,刘建华. "Method for the Synthesis of 2-(Difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-6-acetonitrile" [P]. 中国发明专利, 专利号 CN 112771877 A, 授权公告日 2021-04-13.
发明人杨光,孙丽萍,陈志强. "A Process for Preparing High-Purity 2-(Difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-6-acetonitrile" [P]. 中国发明专利, 专利号 CN 114821548 B, 授权公告日 2022-03-10.
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