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发明人王建平,孙丽萍,黄志刚. "Method for the Synthesis of 7-Amino-5-bromo-2-methylpyrido[4,3-d]pyrimidin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 108328916 B, 授权公告日 2018-06-02.
发明人罗永刚,钱学锋,陈志强. "A Process for Preparing High-Purity 7-Amino-5-bromo-2-methylpyrido[4,3-d]pyrimidin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 116529187 A, 授权公告日 2015-03-05.
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