发明人黄志刚,杨光,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116849826 A, 授权公告日 2015-10-12.
发明人徐明华,胡光,沈红梅. "Method for the Synthesis of 5-Ethylbenzo[d]oxazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 109478349 B, 授权公告日 2020-06-12.
发明人郭海燕,杨光,韩伟. "A Process for Preparing High-Purity 5-Ethylbenzo[d]oxazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 112651036 B, 授权公告日 2018-03-20.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2023, 1321, 7619-7646.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2015, 1264, (2), 9739-9760.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethylbenzo[d]oxazol-2(3H)-one Using HRMS and NMR". Phytochemistry, 2024, 1579, (12), 3865-3876.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2020, 765, (9), 4255-4280.