发明人郑宇鹏,杨光,马晓峰. "Method for the Synthesis of 3-Ethyl-1-(3-nitrophenyl)urea" [P]. 中国发明专利, 专利号 CN 110618949 B, 授权公告日 2017-03-06.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 431, 4122-4151.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2015, 2377, (1), 8077-8085.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-1-(3-nitrophenyl)urea Using HRMS and NMR". J. Agric. Food Chem., 2016, 579, (8), 1816-1839.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2014, 658, (6), 5144-5155.