发明人沈红梅,刘建华,郑宇鹏. "Method for the Synthesis of 6-Methyl-1H-pyrazolo[3,4-d]pyrimidin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 116806774 B, 授权公告日 2021-06-16.
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