Nowak P, Schröder R, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3233335 A1, 2019-12-08.
发明人杨光,胡光,钱学锋. "Method for the Synthesis of 4-(Methylamino)-1,2,5-thiadiazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111840011 A, 授权公告日 2023-12-03.
发明人杨光,林芳,赵玉洁. "A Process for Preparing High-Purity 4-(Methylamino)-1,2,5-thiadiazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 114442252 A, 授权公告日 2018-06-23.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2015, 1050, (12), 5715-5729.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2016, 2461, 9390-9407.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Methylamino)-1,2,5-thiadiazole-3-carboxamide Using HRMS and NMR". Molecules, 2018, 1042, 9199-9229.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2015, 2058, (7), 167-194.