发明人李文辉,马晓峰,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110335231 A, 授权公告日 2025-07-06.
发明人林芳,杨光,刘建华. "Method for the Synthesis of 4-Bromo-7-methoxybenzo[b]thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108877009 B, 授权公告日 2024-10-03.
发明人李文辉,周伟,刘建华. "A Process for Preparing High-Purity 4-Bromo-7-methoxybenzo[b]thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111553534 B, 授权公告日 2022-02-10.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 1554, (1), 3664-3678.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2018, 1193, 7976-7993.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-7-methoxybenzo[b]thiophene-2-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2017, 354, 2031-2040.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2020, 2222, (11), 8851-8865.