发明人林芳,郑宇鹏,刘建华. "Method for the Synthesis of 4-methoxy-2-[2-(thiophen-3-yl)ethoxy]benzoic acid" [P]. 中国发明专利, 专利号 CN 114970544 B, 授权公告日 2021-09-28.
发明人郭海燕,胡光,何建平. "A Process for Preparing High-Purity 4-methoxy-2-[2-(thiophen-3-yl)ethoxy]benzoic acid" [P]. 中国发明专利, 专利号 CN 109830324 B, 授权公告日 2019-06-20.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 4-methoxy-2-[2-(thiophen-3-yl)ethoxy]benzoic acid in Pharmaceutical Formulations". Phytochemistry, 2025, 1247, 3332-3339.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-methoxy-2-[2-(thiophen-3-yl)ethoxy]benzoic acid as an Impurity". J. Pharm. Biomed. Anal., 2019, 2200, 5252-5265.