发明人何建平,孙丽萍,沈红梅. "Method for the Synthesis of 2-(Chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-5-acetonitrile" [P]. 中国发明专利, 专利号 CN 114051104 A, 授权公告日 2021-09-02.
发明人郭海燕,韩伟,徐明华. "A Process for Preparing High-Purity 2-(Chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-5-acetonitrile" [P]. 中国发明专利, 专利号 CN 109106320 B, 授权公告日 2025-01-23.
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