发明人黄志刚,何建平,徐明华. "Method for the Synthesis of 2-(1-Methoxy-1-methylethyl)-benzofuran-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108827845 A, 授权公告日 2015-04-19.
发明人徐明华,李文辉,孙丽萍. "A Process for Preparing High-Purity 2-(1-Methoxy-1-methylethyl)-benzofuran-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110614103 B, 授权公告日 2025-03-14.
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