发明人冯建国,沈红梅,黄志刚. "Method for the Synthesis of 1-(O-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 111228548 A, 授权公告日 2015-06-24.
发明人何建平,孙丽萍,刘建华. "A Process for Preparing High-Purity 1-(O-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 116562938 A, 授权公告日 2019-05-05.
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