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发明人马晓峰,钱学锋,徐明华. "Method for the Synthesis of 5-(2-Aminoethyl)-2-methylpyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 117414798 A, 授权公告日 2019-12-02.
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