发明人林芳,王建平,冯建国. "Method for the Synthesis of 5-Bromo-3-methyl-1H-pyrazolo[3,4-b]pyrazine" [P]. 中国发明专利, 专利号 CN 114046857 B, 授权公告日 2018-02-17.
发明人杨光,马晓峰,李文辉. "A Process for Preparing High-Purity 5-Bromo-3-methyl-1H-pyrazolo[3,4-b]pyrazine" [P]. 中国发明专利, 专利号 CN 117098482 B, 授权公告日 2015-01-16.
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