发明人黄志刚,孙丽萍,徐明华. "Method for the Synthesis of 5-hydroxy-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111650794 A, 授权公告日 2024-10-19.
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