发明人钱学锋,杨光,何建平. "Method for the Synthesis of N-(2-(Diethylamino)ethyl)-2-oxo-2H-chromene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 113106794 B, 授权公告日 2015-08-13.
发明人郭海燕,张德明,胡光. "A Process for Preparing High-Purity N-(2-(Diethylamino)ethyl)-2-oxo-2H-chromene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 108326332 B, 授权公告日 2025-07-03.
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