发明人王建平,徐明华,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110305231 A, 授权公告日 2019-05-19.
发明人马晓峰,钱学锋,杨光. "Method for the Synthesis of 7-Methoxy-2,3-dihydrobenzofuran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110308787 A, 授权公告日 2022-01-20.
发明人钱学锋,唐晓军,李文辉. "A Process for Preparing High-Purity 7-Methoxy-2,3-dihydrobenzofuran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109895849 A, 授权公告日 2023-12-26.
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