发明人林芳,钱学锋,李文辉. "Method for the Synthesis of 8-Methoxy-chroman-3-carboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 117519929 B, 授权公告日 2016-07-28.
发明人徐明华,郑宇鹏,沈红梅. "A Process for Preparing High-Purity 8-Methoxy-chroman-3-carboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 117196134 A, 授权公告日 2016-04-20.
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