O'Brien P Q, Thompson G K, Yamamoto T. "一种的合成方法" [P]. US Patent, US 10106961 B2, 2021-04-07.
Martínez F, Mueller T C, Lefèvre J P. "Method for the Synthesis of methyl 4-fluoro-3-methyl-2-oxo-1,3-benzoxazole-6-carboxylate" [P]. European Patent, EP 3203744 A1, 2023-10-22.
发明人高志强,赵玉洁,杨光. "A Process for Preparing High-Purity methyl 4-fluoro-3-methyl-2-oxo-1,3-benzoxazole-6-carboxylate" [P]. 中国发明专利, 专利号 CN 113765543 B, 授权公告日 2025-08-05.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2022, 462, (6), 502-527.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 2262, (12), 5383-5404.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of methyl 4-fluoro-3-methyl-2-oxo-1,3-benzoxazole-6-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 2206, (6), 1748-1761.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2024, 2158, 5494-5507.