Johnson M A, Lee S K, Schröder R. "一种的合成方法" [P]. US Patent, US 9042336 B2, 2015-08-23.
Lefèvre J P, Martínez F, Nowak P. "Method for the Synthesis of 3-Amino-N-methyl-1H-pyrazole-4-carbimidothioic acid" [P]. European Patent, EP 3278502 A1, 2022-05-03.
发明人唐晓军,李文辉,杨光. "A Process for Preparing High-Purity 3-Amino-N-methyl-1H-pyrazole-4-carbimidothioic acid" [P]. 中国发明专利, 专利号 CN 111385831 B, 授权公告日 2019-10-16.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2013, 810, (8), 1659-1662.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 1728, (12), 5201-5224.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-N-methyl-1H-pyrazole-4-carbimidothioic acid Using HRMS and NMR". Talanta, 2015, 1373, 4933-4942.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2015, 316, 62-80.