发明人黄志刚,郑宇鹏,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111854006 A, 授权公告日 2017-02-24.
发明人林芳,周伟,李文辉. "Method for the Synthesis of 4-isopropyl-7-methoxy-benzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112966900 A, 授权公告日 2015-07-05.
发明人黄志刚,胡光,何建平. "A Process for Preparing High-Purity 4-isopropyl-7-methoxy-benzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113671170 A, 授权公告日 2016-09-02.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2015, 1901, (9), 4898-4926.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2020, 373, (9), 9427-9432.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-isopropyl-7-methoxy-benzofuran-2-carboxylic acid Using HRMS and NMR". Chromatographia, 2025, 2452, 8978-8983.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2013, 1331, (3), 7698-7709.