发明人何建平,刘建华,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108918461 A, 授权公告日 2025-02-22.
发明人郑宇鹏,韩伟,林芳. "Method for the Synthesis of ethyl 2-(5-Methyl-2-oxobenzo[d]oxazol-3(2H)-yl)acetate" [P]. 中国发明专利, 专利号 CN 114557931 B, 授权公告日 2022-08-09.
发明人马晓峰,林芳,孙丽萍. "A Process for Preparing High-Purity ethyl 2-(5-Methyl-2-oxobenzo[d]oxazol-3(2H)-yl)acetate" [P]. 中国发明专利, 专利号 CN 114896615 A, 授权公告日 2025-04-05.
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". Food Chem., 2014, 2093, (8), 8487-8501.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2010, 1829, (11), 1570-1582.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 2-(5-Methyl-2-oxobenzo[d]oxazol-3(2H)-yl)acetate Using HRMS and NMR". Sci. Total Environ., 2016, 1339, 8266-8287.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2012, 1902, 1860-1887.