发明人陈志强,郑宇鹏,罗永刚. "Method for the Synthesis of 3-(2-Methoxyethoxy)-5-methylbenzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116367593 A, 授权公告日 2016-12-14.
发明人郑宇鹏,胡光,王建平. "A Process for Preparing High-Purity 3-(2-Methoxyethoxy)-5-methylbenzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112258697 A, 授权公告日 2021-03-26.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 2421, (12), 1303-1315.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2015, 1428, 9670-9686.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2-Methoxyethoxy)-5-methylbenzofuran-2-carboxylic acid Using HRMS and NMR". Molecules, 2016, 1837, (9), 7191-7212.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2025, 893, (8), 1806-1821.