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发明人林芳,朱建伟,郑宇鹏. "A Process for Preparing High-Purity 2-(Trifluoromethyl)-1H-imidazo[4,5-b]pyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109073389 B, 授权公告日 2022-09-21.
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