Chen K W, Thompson G K, Klinger H. "Method for the Synthesis of N-Ethyl-4-mercapto-N-methylpyridine-3-sulfonamide" [P]. US Patent, US 10544826 B2, 2025-05-23.
发明人何建平,朱建伟,林芳. "A Process for Preparing High-Purity N-Ethyl-4-mercapto-N-methylpyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 109341076 B, 授权公告日 2024-11-10.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 866, 3095-3115.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 2445, (8), 4655-4683.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of N-Ethyl-4-mercapto-N-methylpyridine-3-sulfonamide Using HRMS and NMR". Chemosphere, 2016, 2031, (12), 7976-7985.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2020, 700, 4580-4591.