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发明人郭海燕,朱建伟,沈红梅. "A Process for Preparing High-Purity 2-(Difluoromethyl)-8-fluoroimidazo[1,2-a]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114684018 A, 授权公告日 2023-01-09.
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