发明人李文辉,冯建国,刘建华. "一种4-氰基吡啶-2-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 113740605 A, 授权公告日 2025-06-17.
发明人朱建伟,唐晓军,赵玉洁. "Method for the Synthesis of 4-Cyanopyridine-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 117520263 B, 授权公告日 2024-08-28.
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