Mueller T C, Nowak P, Schröder R. "一种的合成方法" [P]. European Patent, EP 3372688 A1, 2015-05-11.
发明人李文辉,王建平,沈红梅. "Method for the Synthesis of 5-((5-Amino-4-((2-aminoethyl)amino)pyridin-2-yl)amino)pyrazine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 109147373 A, 授权公告日 2023-08-05.
发明人孙丽萍,郭海燕,徐明华. "A Process for Preparing High-Purity 5-((5-Amino-4-((2-aminoethyl)amino)pyridin-2-yl)amino)pyrazine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 108201552 B, 授权公告日 2023-09-05.
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