发明人郑宇鹏,冯建国,张德明. "Method for the Synthesis of 2-(Difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-6-acetonitrile" [P]. 中国发明专利, 专利号 CN 110811303 A, 授权公告日 2025-09-24.
发明人王建平,黄志刚,沈红梅. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-6-acetonitrile" [P]. 中国发明专利, 专利号 CN 116188630 B, 授权公告日 2024-05-15.
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