发明人冯建国,钱学锋,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117236126 A, 授权公告日 2022-04-19.
发明人刘建华,赵玉洁,唐晓军. "Method for the Synthesis of 3-(2-Methoxyethoxy)-7-methylbenzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115627116 B, 授权公告日 2025-04-27.
Thompson G K, Davis P L, Klinger H. "A Process for Preparing High-Purity 3-(2-Methoxyethoxy)-7-methylbenzofuran-2-carboxylic acid" [P]. US Patent, US 11405707 B2, 2019-10-25.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2024, 236, 3516-3538.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2020, 2462, 4106-4113.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2-Methoxyethoxy)-7-methylbenzofuran-2-carboxylic acid Using HRMS and NMR". Chromatographia, 2019, 1906, (4), 3427-3430.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2015, 2177, (1), 9778-9800.