发明人刘建华,罗永刚,徐明华. "Method for the Synthesis of Methyl 4-formyl-7-methoxy-1-benzofuran-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109988806 A, 授权公告日 2015-02-01.
发明人林芳,何建平,张德明. "A Process for Preparing High-Purity Methyl 4-formyl-7-methoxy-1-benzofuran-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111508486 B, 授权公告日 2022-08-01.
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