发明人黄志刚,沈红梅,马晓峰. "一种4-ethoxypyridine-3-sulfonamide的合成方法" [P]. 中国发明专利, 专利号 CN 112429994 A, 授权公告日 2016-02-20.
Brown S R, Anderson J P, Hughes D C. "Method for the Synthesis of 4-ethoxypyridine-3-sulfonamide" [P]. US Patent, US 11529530 B2, 2025-08-01.
发明人徐明华,陈志强,郑宇鹏. "A Process for Preparing High-Purity 4-ethoxypyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 117050050 B, 授权公告日 2018-05-27.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 4-ethoxypyridine-3-sulfonamide in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 1194, (10), 1802-1812.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-ethoxypyridine-3-sulfonamide as an Impurity". J. Pharm. Biomed. Anal., 2019, 860, (11), 9458-9470.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-ethoxypyridine-3-sulfonamide Using HRMS and NMR". Talanta, 2022, 92, (8), 6747-6773.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 4-ethoxypyridine-3-sulfonamide Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2021, 2251, (8), 9869-9890.