Kowalski A, Nielsen H, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3584395 A1, 2025-11-16.
发明人王建平,李文辉,陈志强. "Method for the Synthesis of Methyl 5-cyano-3-methylisothiazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117021855 A, 授权公告日 2018-01-25.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 2293, 4993-5011.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2023, 1904, 3114-3124.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-cyano-3-methylisothiazole-4-carboxylate Using HRMS and NMR". J. Nat. Prod., 2016, 1597, (12), 5703-5733.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2019, 2265, (3), 9426-9444.