发明人郭海燕,黄志刚,林芳. "Method for the Synthesis of 3-Methyl-1-(pyridin-2-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 112455765 B, 授权公告日 2019-10-25.
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