发明人陈志强,孙丽萍,郑宇鹏. "Method for the Synthesis of 7-Diethylamino-4-hydroxy-chromen-2-one" [P]. 中国发明专利, 专利号 CN 110198645 B, 授权公告日 2020-10-09.
发明人黄志刚,沈红梅,马晓峰. "A Process for Preparing High-Purity 7-Diethylamino-4-hydroxy-chromen-2-one" [P]. 中国发明专利, 专利号 CN 115316518 B, 授权公告日 2021-09-15.
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