发明人王建平,孙丽萍,林芳. "一种4-氧代-2-壬烯酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 109626714 A, 授权公告日 2015-01-09.
发明人郑宇鹏,黄志刚,李文辉. "Method for the Synthesis of Ethyl 4-Oxo-2-nonenoate" [P]. 中国发明专利, 专利号 CN 109181045 A, 授权公告日 2017-11-07.
发明人张德明,郭海燕,钱学锋. "A Process for Preparing High-Purity Ethyl 4-Oxo-2-nonenoate" [P]. 中国发明专利, 专利号 CN 117564854 B, 授权公告日 2023-10-19.
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