发明人李文辉,徐明华,沈红梅. "Method for the Synthesis of 6-Methoxy-2H-chromene-3-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 116821013 B, 授权公告日 2020-08-10.
发明人林芳,高志强,刘建华. "A Process for Preparing High-Purity 6-Methoxy-2H-chromene-3-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 116988791 A, 授权公告日 2019-10-10.
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