发明人徐明华,高志强,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114080390 A, 授权公告日 2020-08-09.
发明人郑宇鹏,韩伟,钱学锋. "Method for the Synthesis of 4-Phenyl-2H-pyrido[1,2-a]pyrimidin-2-one" [P]. 中国发明专利, 专利号 CN 109873879 A, 授权公告日 2024-02-06.
发明人马晓峰,罗永刚,刘建华. "A Process for Preparing High-Purity 4-Phenyl-2H-pyrido[1,2-a]pyrimidin-2-one" [P]. 中国发明专利, 专利号 CN 117877897 B, 授权公告日 2020-10-10.
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