发明人林芳,马晓峰,沈红梅. "Method for the Synthesis of 4-(Methylthio)benzo[d]oxazol-2-amine" [P]. 中国发明专利, 专利号 CN 109065411 A, 授权公告日 2018-06-01.
发明人郑宇鹏,郭海燕,徐明华. "A Process for Preparing High-Purity 4-(Methylthio)benzo[d]oxazol-2-amine" [P]. 中国发明专利, 专利号 CN 115502521 A, 授权公告日 2025-02-16.
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". J. Chromatogr. A, 2019, 2175, (7), 9547-9573.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 2372, (4), 1090-1098.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Methylthio)benzo[d]oxazol-2-amine Using HRMS and NMR". Anal. Chem., 2012, 118, 4045-4072.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2017, 154, (10), 5367-5392.