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发明人沈红梅,王建平,唐晓军. "A Process for Preparing High-Purity 1-Methyl-4-{[2-(1H-pyrrol-1-yl)ethyl]amino}-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111971003 A, 授权公告日 2016-08-10.
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