发明人刘建华,朱建伟,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109127708 A, 授权公告日 2025-08-02.
发明人陈志强,朱建伟,郑宇鹏. "Method for the Synthesis of Ethyl 5-cyano-6-methyl-2-(piperazin-1-yl)nicotinate" [P]. 中国发明专利, 专利号 CN 110359023 A, 授权公告日 2015-05-17.
发明人王建平,赵玉洁,黄志刚. "A Process for Preparing High-Purity Ethyl 5-cyano-6-methyl-2-(piperazin-1-yl)nicotinate" [P]. 中国发明专利, 专利号 CN 112664432 B, 授权公告日 2021-12-09.
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