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发明人杨光,何建平,张德明. "A Process for Preparing High-Purity 3-Methyl-1-phenyl-6-thiophen-2-yl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116958603 A, 授权公告日 2017-11-20.
参考文献 Literature
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