发明人何建平,周伟,罗永刚. "Method for the Synthesis of (Z)-tert-Butyl 2-(((1-(2-aminothiazol-4-yl)-2-ethoxy-2-oxoethylidene)amino)oxy)-2-methylpropanoate" [P]. 中国发明专利, 专利号 CN 111641478 A, 授权公告日 2017-10-28.
发明人罗永刚,陈志强,韩伟. "A Process for Preparing High-Purity (Z)-tert-Butyl 2-(((1-(2-aminothiazol-4-yl)-2-ethoxy-2-oxoethylidene)amino)oxy)-2-methylpropanoate" [P]. 中国发明专利, 专利号 CN 113123809 A, 授权公告日 2019-01-08.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2023, 1023, 2218-2229.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2011, 2020, (9), 4151-4178.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of (Z)-tert-Butyl 2-(((1-(2-aminothiazol-4-yl)-2-ethoxy-2-oxoethylidene)amino)oxy)-2-methylpropanoate Using HRMS and NMR". Sci. Total Environ., 2010, 396, (12), 3436-3452.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2022, 1826, (8), 1861-1885.