Nielsen H, Rossi M, Johansson L. "Method for the Synthesis of 7-(Diethylamino)-3-(5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl)-2H-chromen-2-one" [P]. European Patent, EP 3254903 A1, 2020-03-23.
发明人郭海燕,沈红梅,徐明华. "A Process for Preparing High-Purity 7-(Diethylamino)-3-(5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl)-2H-chromen-2-one" [P]. 中国发明专利, 专利号 CN 116154795 B, 授权公告日 2024-05-13.
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