发明人赵玉洁,朱建伟,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111325244 A, 授权公告日 2015-05-09.
发明人冯建国,朱建伟,胡光. "Method for the Synthesis of 5,6-Difluorobenzo[d]oxazole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110811487 A, 授权公告日 2019-02-11.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2018, 1520, (10), 9153-9160.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2022, 867, 6653-6673.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 5,6-Difluorobenzo[d]oxazole-2-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2017, 2443, 2556-2570.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2021, 496, (7), 2897-2902.