Williams B T, Roberts E F, Davis P L. "Method for the Synthesis of 2-sulfamoylpyridine-4-carboxylic acid" [P]. US Patent, US 11739615 B2, 2019-12-20.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 2-sulfamoylpyridine-4-carboxylic acid in Pharmaceutical Formulations". Talanta, 2023, 1342, 1878-1906.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-sulfamoylpyridine-4-carboxylic acid as an Impurity". J. Chromatogr. A, 2021, 2322, 119-131.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-sulfamoylpyridine-4-carboxylic acid Using HRMS and NMR". Chromatographia, 2020, 1438, 7920-7944.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 2-sulfamoylpyridine-4-carboxylic acid Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 1937, (5), 571-575.