Fischer A B, Davis P L, Klinger H. "一种7-溴-3-羟基-4H-吡啶并[1,2-a]嘧啶-4-酮的合成方法" [P]. US Patent, US 10143332 B2, 2021-10-21.
发明人刘建华,罗永刚,冯建国. "Method for the Synthesis of 7-Bromo-3-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 109762466 A, 授权公告日 2020-06-20.
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