发明人何建平,冯建国,陈志强. "Method for the Synthesis of 7-Aminopyrido[2,3-b]pyrazine" [P]. 中国发明专利, 专利号 CN 109285822 B, 授权公告日 2015-01-06.
发明人罗永刚,马晓峰,沈红梅. "A Process for Preparing High-Purity 7-Aminopyrido[2,3-b]pyrazine" [P]. 中国发明专利, 专利号 CN 108077392 A, 授权公告日 2018-05-13.
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