O'Brien P Q, Williams B T, Hughes D C. "Method for the Synthesis of 5-((5-Amino-4-((2-(dimethylamino)ethyl)amino)pyridin-2-yl)amino)pyrazine-2-carbonitrile" [P]. US Patent, US 10143690 B2, 2015-04-12.
发明人刘建华,王建平,李文辉. "A Process for Preparing High-Purity 5-((5-Amino-4-((2-(dimethylamino)ethyl)amino)pyridin-2-yl)amino)pyrazine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 109321710 B, 授权公告日 2021-10-26.
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