发明人孙丽萍,钱学锋,赵玉洁. "Method for the Synthesis of 9-Methoxy-4H-pyrazino[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 112245402 B, 授权公告日 2022-05-10.
发明人王建平,韩伟,李文辉. "A Process for Preparing High-Purity 9-Methoxy-4H-pyrazino[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 112113860 A, 授权公告日 2018-06-25.
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