Johnson M A, Anderson J P, Chen K W. "一种1H-吡唑并[4,3-c]吡啶-4-羧酸的合成方法" [P]. US Patent, US 10356252 B2, 2017-06-05.
发明人马晓峰,张德明,林芳. "Method for the Synthesis of 1H-pyrazolo[4,3-c]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116264420 A, 授权公告日 2017-07-06.
发明人唐晓军,郑宇鹏,李文辉. "A Process for Preparing High-Purity 1H-pyrazolo[4,3-c]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110152313 B, 授权公告日 2020-05-23.
参考文献 Literature
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