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发明人沈红梅,冯建国,罗永刚. "Method for the Synthesis of 2-((6-(Cyclopentylamino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)ethan-1-ol" [P]. 中国发明专利, 专利号 CN 111601452 A, 授权公告日 2016-05-13.
发明人李文辉,杨光,韩伟. "A Process for Preparing High-Purity 2-((6-(Cyclopentylamino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)ethan-1-ol" [P]. 中国发明专利, 专利号 CN 116532115 A, 授权公告日 2024-10-18.
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