发明人王建平,郑宇鹏,刘建华. "Method for the Synthesis of 2,4-Dichloro-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one" [P]. 中国发明专利, 专利号 CN 108197775 B, 授权公告日 2024-08-21.
发明人陈志强,钱学锋,刘建华. "A Process for Preparing High-Purity 2,4-Dichloro-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-one" [P]. 中国发明专利, 专利号 CN 115463856 A, 授权公告日 2016-08-02.
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