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发明人郭海燕,刘建华,唐晓军. "A Process for Preparing High-Purity 5-Bromo-3-isobutoxybenzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116625376 A, 授权公告日 2024-05-09.
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