发明人张德明,朱建伟,徐明华. "Method for the Synthesis of N,N-Diethyl-2-methyl-5-((4-(2-(4-(3-methylureido)phenyl)pyridin-4-yl)pyrimidin-2-yl)amino)benzenesulfonamide, >96%" [P]. 中国发明专利, 专利号 CN 117897745 A, 授权公告日 2018-11-12.
发明人杨光,王建平,朱建伟. "A Process for Preparing High-Purity N,N-Diethyl-2-methyl-5-((4-(2-(4-(3-methylureido)phenyl)pyridin-4-yl)pyrimidin-2-yl)amino)benzenesulfonamide, >96%" [P]. 中国发明专利, 专利号 CN 111369395 B, 授权公告日 2016-04-15.
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". Sci. Total Environ., 2020, 1217, 8068-8071.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2015, 1629, 3196-3219.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of N,N-Diethyl-2-methyl-5-((4-(2-(4-(3-methylureido)phenyl)pyridin-4-yl)pyrimidin-2-yl)amino)benzenesulfonamide, >96% Using HRMS and NMR". J. Sep. Sci., 2012, 2047, 6514-6519.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2013, 348, (8), 8024-8039.