发明人杨光,唐晓军,郑宇鹏. "Method for the Synthesis of 2-(1,1-Difluoroethyl)isonicotinic acid" [P]. 中国发明专利, 专利号 CN 112950359 A, 授权公告日 2023-11-20.
Roberts E F, Mueller T, Davis P L. "A Process for Preparing High-Purity 2-(1,1-Difluoroethyl)isonicotinic acid" [P]. US Patent, US 10350851 B2, 2020-02-16.
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