发明人冯建国,马晓峰,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114228153 A, 授权公告日 2024-12-03.
发明人韩伟,何建平,王建平. "Method for the Synthesis of 1-(3-Formyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 110075314 B, 授权公告日 2018-10-13.
发明人李文辉,张德明,何建平. "A Process for Preparing High-Purity 1-(3-Formyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperidine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 111607764 A, 授权公告日 2020-05-08.
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