Chen K W, Fischer A B, Davis P L. "一种的合成方法" [P]. US Patent, US 9453789 B2, 2015-04-03.
Park J H, Brown S R, Williams B T. "Method for the Synthesis of 4-Methoxybenzofuran-3-carboxylic acid" [P]. US Patent, US 10165392 B2, 2019-06-24.
发明人刘建华,朱建伟,郭海燕. "A Process for Preparing High-Purity 4-Methoxybenzofuran-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110014052 B, 授权公告日 2024-05-07.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2025, 702, (4), 2955-2969.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2020, 1263, (8), 8114-8135.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methoxybenzofuran-3-carboxylic acid Using HRMS and NMR". Molecules, 2025, 287, (12), 2082-2098.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2012, 731, (2), 1209-1230.