Williams B T, Thompson G K, Lee S K. "一种的合成方法" [P]. US Patent, US 11178170 B2, 2017-02-02.
发明人马晓峰,林芳,沈红梅. "Method for the Synthesis of 3-Amino-5-(methylthio)-N-(p-tolyl)-4H-1,2,4-triazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 116858737 A, 授权公告日 2023-02-11.
发明人唐晓军,马晓峰,郭海燕. "A Process for Preparing High-Purity 3-Amino-5-(methylthio)-N-(p-tolyl)-4H-1,2,4-triazole-4-carboxamide" [P]. 中国发明专利, 专利号 CN 115632707 A, 授权公告日 2020-07-15.
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". Anal. Methods, 2019, 281, (7), 2634-2641.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2011, 502, (5), 1099-1113.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-5-(methylthio)-N-(p-tolyl)-4H-1,2,4-triazole-4-carboxamide Using HRMS and NMR". J. Pharm. Biomed. Anal., 2021, 409, 5756-5768.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2018, 2420, (12), 2497-2508.