发明人张德明,罗永刚,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117750270 A, 授权公告日 2024-11-08.
发明人黄志刚,何建平,冯建国. "Method for the Synthesis of 6-(4-Ethylpiperazin-1-yl)-4-methylnicotinonitrile" [P]. 中国发明专利, 专利号 CN 115344993 B, 授权公告日 2023-01-20.
发明人王建平,何建平,郭海燕. "A Process for Preparing High-Purity 6-(4-Ethylpiperazin-1-yl)-4-methylnicotinonitrile" [P]. 中国发明专利, 专利号 CN 113979819 A, 授权公告日 2019-06-06.
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