发明人冯建国,何建平,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111520919 A, 授权公告日 2021-09-22.
发明人徐明华,高志强,赵玉洁. "Method for the Synthesis of 2-(2-Cyano-4-(difluoromethyl)-6-(trifluoromethyl)pyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110731590 A, 授权公告日 2024-05-25.
发明人唐晓军,孙丽萍,黄志刚. "A Process for Preparing High-Purity 2-(2-Cyano-4-(difluoromethyl)-6-(trifluoromethyl)pyridin-3-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 112214412 B, 授权公告日 2024-12-03.
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