Johnson M A, Klinger H, Park J H. "Method for the Synthesis of methyl 7-fluoro-3-methyl-2-oxo-1,3-benzoxazole-5-carboxylate" [P]. US Patent, US 9214859 B2, 2019-09-06.
Martínez F, Mueller T C, Nielsen H. "A Process for Preparing High-Purity methyl 7-fluoro-3-methyl-2-oxo-1,3-benzoxazole-5-carboxylate" [P]. European Patent, EP 3075086 A1, 2021-07-19.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 1811, (12), 3035-3039.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2015, 1233, (1), 2-26.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of methyl 7-fluoro-3-methyl-2-oxo-1,3-benzoxazole-5-carboxylate Using HRMS and NMR". Phytochemistry, 2016, 1857, 1208-1211.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2025, 897, 6826-6831.