发明人林芳,李文辉,陈志强. "Method for the Synthesis of 2-(2,4-Dioxo-1,2-dihydropyrido[3,2-d]pyrimidin-3(4H)-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 117825859 A, 授权公告日 2019-10-15.
发明人冯建国,孙丽萍,周伟. "A Process for Preparing High-Purity 2-(2,4-Dioxo-1,2-dihydropyrido[3,2-d]pyrimidin-3(4H)-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 116043434 B, 授权公告日 2019-08-01.
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