发明人朱建伟,胡光,刘建华. "Method for the Synthesis of 3-methyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113468852 A, 授权公告日 2018-02-07.
发明人何建平,胡光,郭海燕. "A Process for Preparing High-Purity 3-methyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110076520 A, 授权公告日 2017-06-28.
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