Chen K W, Klinger H, Yamamoto T. "一种的合成方法" [P]. US Patent, US 9831069 B2, 2020-05-13.
Johansson L, Björnsson E, Nowak P. "Method for the Synthesis of 3,7-Dimethyl-5-oxo-5H-thiazolo[3,2-a]pyridine-8-carbonitrile" [P]. European Patent, EP 3363637 A1, 2022-08-16.
发明人王建平,朱建伟,郭海燕. "A Process for Preparing High-Purity 3,7-Dimethyl-5-oxo-5H-thiazolo[3,2-a]pyridine-8-carbonitrile" [P]. 中国发明专利, 专利号 CN 116420480 A, 授权公告日 2022-09-24.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2017, 374, (3), 1059-1065.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2015, 1327, 5939-5942.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 3,7-Dimethyl-5-oxo-5H-thiazolo[3,2-a]pyridine-8-carbonitrile Using HRMS and NMR". Food Chem., 2011, 1909, 1312-1336.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2014, 2213, (12), 7112-7140.