O'Brien P Q, Park J H, Schröder R. "一种的合成方法" [P]. US Patent, US 9715410 B2, 2019-09-27.
Schröder R, Lefèvre J P, Nowak P. "Method for the Synthesis of 5-Chloro-N,N-diethyl-4-oxo-1,4-dihydropyridine-3-sulfonamide" [P]. European Patent, EP 3847013 A1, 2025-08-20.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2012, 1593, (2), 8996-9022.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 1156, (4), 1894-1919.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-N,N-diethyl-4-oxo-1,4-dihydropyridine-3-sulfonamide Using HRMS and NMR". J. Agric. Food Chem., 2011, 764, (3), 9065-9078.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2020, 1933, (7), 4405-4423.