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发明人张德明,林芳,冯建国. "Method for the Synthesis of Ethyl 5-Methoxy-2-thiophenecarboxylate" [P]. 中国发明专利, 专利号 CN 113877806 B, 授权公告日 2019-09-16.
发明人王建平,李文辉,刘建华. "A Process for Preparing High-Purity Ethyl 5-Methoxy-2-thiophenecarboxylate" [P]. 中国发明专利, 专利号 CN 110960096 B, 授权公告日 2019-02-08.
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