发明人周伟,韩伟,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113007378 A, 授权公告日 2022-09-15.
发明人徐明华,胡光,黄志刚. "Method for the Synthesis of 2,4-Diamino-N-(sec-butyl)quinazoline-6-sulfonamide" [P]. 中国发明专利, 专利号 CN 115146130 B, 授权公告日 2015-03-14.
发明人周伟,郭海燕,韩伟. "A Process for Preparing High-Purity 2,4-Diamino-N-(sec-butyl)quinazoline-6-sulfonamide" [P]. 中国发明专利, 专利号 CN 109897609 A, 授权公告日 2016-01-19.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2020, 2054, (11), 238-261.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 2101, 1735-1765.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Diamino-N-(sec-butyl)quinazoline-6-sulfonamide Using HRMS and NMR". J. Agric. Food Chem., 2012, 1837, (6), 9219-9237.