发明人朱建伟,郑宇鹏,郭海燕. "Method for the Synthesis of 2-(Chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-5-acetic acid" [P]. 中国发明专利, 专利号 CN 112875208 A, 授权公告日 2023-08-07.
发明人王建平,高志强,孙丽萍. "A Process for Preparing High-Purity 2-(Chloromethyl)-3-cyano-4-(difluoromethyl)pyridine-5-acetic acid" [P]. 中国发明专利, 专利号 CN 114161587 A, 授权公告日 2018-10-21.
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