发明人何建平,钱学锋,唐晓军. "Method for the Synthesis of Pyrido[3,2-d]pyrimidin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 108269706 A, 授权公告日 2016-04-13.
发明人罗永刚,沈红梅,何建平. "A Process for Preparing High-Purity Pyrido[3,2-d]pyrimidin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 109722986 B, 授权公告日 2022-08-11.
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