发明人何建平,刘建华,罗永刚. "一种6-甲氧基-2-甲基苯并呋喃-3-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 114389712 A, 授权公告日 2016-04-22.
发明人郑宇鹏,王建平,徐明华. "Method for the Synthesis of 6-Methoxy-2-methylbenzofuran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115457106 B, 授权公告日 2024-08-26.
发明人陈志强,胡光,郭海燕. "A Process for Preparing High-Purity 6-Methoxy-2-methylbenzofuran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117053898 B, 授权公告日 2015-11-08.
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