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发明人马晓峰,林芳,黄志刚. "Method for the Synthesis of 1H-Pyrazolo[3,4-d]pyrimidine-4-carbonitrile, 3-bromo-6-chloro-1-(tetrahydro-2H-pyran-2-yl)-" [P]. 中国发明专利, 专利号 CN 109489053 A, 授权公告日 2023-01-25.
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