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发明人刘建华,郑宇鹏,徐明华. "Method for the Synthesis of 3-Methyl-6-oxo-1-(propan-2-yl)-1h,6h,7h-pyrazolo[3,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110397726 A, 授权公告日 2022-12-21.
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