Nowak P, Kowalski A, Björnsson E. "Method for the Synthesis of N-(2-(((3-(4-Chlorophenyl)allyl)(methyl)amino)methyl)phenyl)-N-(2-hydroxyethyl)-4-methoxybenzenesulfonamide phosphate" [P]. European Patent, EP 3448028 A1, 2016-12-27.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 2162, (4), 7008-7029.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". J. Nat. Prod., 2017, 556, (12), 3727-3731.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of N-(2-(((3-(4-Chlorophenyl)allyl)(methyl)amino)methyl)phenyl)-N-(2-hydroxyethyl)-4-methoxybenzenesulfonamide phosphate Using HRMS and NMR". Food Chem., 2020, 642, (1), 3489-3515.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Molecules, 2016, 212, 9175-9204.