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发明人李文辉,刘建华,杨光. "Method for the Synthesis of Methyl 2-(1-(2,2-difluoroethyl)-3-methyl-6-oxo-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-7(6H)-yl)acetate" [P]. 中国发明专利, 专利号 CN 112321591 B, 授权公告日 2025-01-16.
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