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发明人徐明华,李文辉,孙丽萍. "Method for the Synthesis of 3-Methyl-6-(pyridin-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 115102541 A, 授权公告日 2021-06-24.
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