发明人张德明,马晓峰,何建平. "Method for the Synthesis of 5-Fluorobenzofuran-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 112549731 B, 授权公告日 2018-09-18.
Schröder R, Martínez F, Rossi M. "A Process for Preparing High-Purity 5-Fluorobenzofuran-2-carboxylic Acid" [P]. European Patent, EP 3275750 A1, 2020-03-22.
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