发明人韩伟,马晓峰,胡光. "Method for the Synthesis of 4-Amino-3-(methylcarbamoyl)-1,2,5-oxadiazole 2-oxide" [P]. 中国发明专利, 专利号 CN 111479933 B, 授权公告日 2020-03-28.
发明人韩伟,林芳,孙丽萍. "A Process for Preparing High-Purity 4-Amino-3-(methylcarbamoyl)-1,2,5-oxadiazole 2-oxide" [P]. 中国发明专利, 专利号 CN 112661013 B, 授权公告日 2019-07-09.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2014, 2016, (12), 812-833.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2021, 462, 6293-6311.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-3-(methylcarbamoyl)-1,2,5-oxadiazole 2-oxide Using HRMS and NMR". Food Chem., 2018, 124, (1), 8727-8739.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2014, 891, (7), 4676-4684.