发明人徐明华,张德明,孙丽萍. "Method for the Synthesis of N-(5-(Difluoromethoxy)thiazolo[5,4-b]pyridin-2-yl)-1H-imidazole-1-carbothioamide" [P]. 中国发明专利, 专利号 CN 113380207 B, 授权公告日 2016-08-23.
发明人郭海燕,杨光,唐晓军. "A Process for Preparing High-Purity N-(5-(Difluoromethoxy)thiazolo[5,4-b]pyridin-2-yl)-1H-imidazole-1-carbothioamide" [P]. 中国发明专利, 专利号 CN 109126229 B, 授权公告日 2020-07-28.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 2178, 5805-5823.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2017, 2125, 2983-2993.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of N-(5-(Difluoromethoxy)thiazolo[5,4-b]pyridin-2-yl)-1H-imidazole-1-carbothioamide Using HRMS and NMR". Anal. Methods, 2020, 240, (10), 6354-6360.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2018, 1189, 4267-4297.