Nielsen H, Schröder R, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3663098 A1, 2021-01-13.
Yamamoto T, Davis P L, Park J H. "Method for the Synthesis of 5-Methylthiophene-2-carboxamide" [P]. US Patent, US 11626670 B2, 2021-09-21.
发明人何建平,李文辉,徐明华. "A Process for Preparing High-Purity 5-Methylthiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 109832111 B, 授权公告日 2016-06-05.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2018, 1249, (4), 1587-1612.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2014, 1842, 9658-9682.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methylthiophene-2-carboxamide Using HRMS and NMR". Biomed. Chromatogr., 2020, 1576, (5), 9523-9536.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2012, 1406, 7599-7620.