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发明人朱建伟,徐明华,罗永刚. "A Process for Preparing High-Purity 3-Tert-butyl-1-methyl-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115168393 B, 授权公告日 2017-04-23.
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