发明人郑宇鹏,黄志刚,徐明华. "Method for the Synthesis of 2-(6-(Diethylamino)benzofuran-2-yl)-3-hydroxy-4H-chromen-4-one" [P]. 中国发明专利, 专利号 CN 112238134 B, 授权公告日 2020-12-03.
发明人钱学锋,沈红梅,刘建华. "A Process for Preparing High-Purity 2-(6-(Diethylamino)benzofuran-2-yl)-3-hydroxy-4H-chromen-4-one" [P]. 中国发明专利, 专利号 CN 112706262 A, 授权公告日 2023-05-10.
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