发明人周伟,马晓峰,罗永刚. "Method for the Synthesis of Ethyl 4-Hydroxy-3-methylbenzofuran-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117196202 A, 授权公告日 2020-02-12.
发明人李文辉,王建平,冯建国. "A Process for Preparing High-Purity Ethyl 4-Hydroxy-3-methylbenzofuran-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114136150 A, 授权公告日 2016-06-27.
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