发明人高志强,林芳,马晓峰. "Method for the Synthesis of Methyl 3-cyclopropyl-1-(4-fluorophenyl)-6-(thiophen-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 109135935 B, 授权公告日 2020-02-13.
发明人郑宇鹏,赵玉洁,黄志刚. "A Process for Preparing High-Purity Methyl 3-cyclopropyl-1-(4-fluorophenyl)-6-(thiophen-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 113332853 A, 授权公告日 2017-01-13.
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