Williams B T, Anderson J P, Brown S R. "Method for the Synthesis of tert-Butyl 2-formyl-4h,5h,6h,7h-thieno[3,2-c]pyridine-5-carboxylate" [P]. US Patent, US 9882267 B2, 2017-11-15.
发明人周伟,唐晓军,马晓峰. "A Process for Preparing High-Purity tert-Butyl 2-formyl-4h,5h,6h,7h-thieno[3,2-c]pyridine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 114051221 A, 授权公告日 2016-07-13.
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". Anal. Chim. Acta, 2019, 1250, (2), 6715-6723.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2018, 739, 8746-8761.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-formyl-4h,5h,6h,7h-thieno[3,2-c]pyridine-5-carboxylate Using HRMS and NMR". J. Sep. Sci., 2010, 253, (11), 5591-5621.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2012, 227, 6329-6353.