O'Brien P Q, Schröder R, Klinger H. "一种Benzyl (<I>E</I>)-2-(2-oxobenzofuran-3(2<I>H</I>)-ylidene)acetate的合成方法" [P]. US Patent, US 10413092 B2, 2017-12-15.
发明人马晓峰,胡光,朱建伟. "Method for the Synthesis of Benzyl (<I>E</I>)-2-(2-oxobenzofuran-3(2<I>H</I>)-ylidene)acetate" [P]. 中国发明专利, 专利号 CN 111739675 A, 授权公告日 2023-03-21.
发明人郑宇鹏,徐明华,罗永刚. "A Process for Preparing High-Purity Benzyl (<I>E</I>)-2-(2-oxobenzofuran-3(2<I>H</I>)-ylidene)acetate" [P]. 中国发明专利, 专利号 CN 112460826 A, 授权公告日 2018-10-20.
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