发明人孙丽萍,周伟,李文辉. "Method for the Synthesis of 1-benzyl-3-methyl-4-phenyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114348426 A, 授权公告日 2021-08-11.
发明人韩伟,胡光,郑宇鹏. "A Process for Preparing High-Purity 1-benzyl-3-methyl-4-phenyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114085234 B, 授权公告日 2018-08-28.
参考文献 Literature
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