发明人王建平,徐明华,罗永刚. "一种5H,6H-pyrido[3,4-b]pyrazin-5-one的合成方法" [P]. 中国发明专利, 专利号 CN 111023939 A, 授权公告日 2019-02-12.
Björnsson E, Sørensen M, Nielsen H. "Method for the Synthesis of 5H,6H-pyrido[3,4-b]pyrazin-5-one" [P]. European Patent, EP 3787763 A1, 2021-05-21.
发明人罗永刚,王建平,沈红梅. "A Process for Preparing High-Purity 5H,6H-pyrido[3,4-b]pyrazin-5-one" [P]. 中国发明专利, 专利号 CN 111165503 A, 授权公告日 2020-04-06.
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