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发明人郑宇鹏,李文辉,何建平. "Method for the Synthesis of 4-(1-Ethyl-3-methyl-1H-pyrazol-4-yl)-1-methyl-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110033015 B, 授权公告日 2022-09-05.
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