Kowalski A, Mueller T C, Johansson L. "一种的合成方法" [P]. European Patent, EP 3622561 A1, 2016-03-06.
Schröder R, Anderson J P, Fischer A B. "Method for the Synthesis of 4-Fluoro-3-(methoxymethyl)-1-benzothiophene-2-carboxylic acid" [P]. US Patent, US 11548272 B2, 2017-11-03.
发明人杨光,郑宇鹏,冯建国. "A Process for Preparing High-Purity 4-Fluoro-3-(methoxymethyl)-1-benzothiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115703250 B, 授权公告日 2022-06-14.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 200, 5234-5246.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 2446, (6), 6578-6586.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-Fluoro-3-(methoxymethyl)-1-benzothiophene-2-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2022, 440, 797-806.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2019, 505, (7), 45-66.