发明人李文辉,罗永刚,胡光. "Method for the Synthesis of 3-methoxypyrazine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 117639610 A, 授权公告日 2020-11-10.
发明人钱学锋,刘建华,郭海燕. "A Process for Preparing High-Purity 3-methoxypyrazine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 112322536 B, 授权公告日 2016-12-17.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2010, 2109, 5446-5458.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2014, 313, 3675-3686.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 3-methoxypyrazine-2-sulfonamide Using HRMS and NMR". J. Sep. Sci., 2018, 888, (12), 9753-9768.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2011, 2375, (10), 1917-1933.