发明人徐明华,李文辉,张德明. "Method for the Synthesis of Ethyl 1-isopropyl-6-(((trifluoromethyl)sulfonyl)oxy)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 113991563 A, 授权公告日 2019-05-12.
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