发明人周伟,刘建华,张德明. "Method for the Synthesis of 7-Methoxybenzofuran-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 116524864 B, 授权公告日 2023-02-08.
发明人胡光,杨光,冯建国. "A Process for Preparing High-Purity 7-Methoxybenzofuran-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 116242376 A, 授权公告日 2023-12-21.
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