Yamamoto T, Davis P L, Roberts E F. "Method for the Synthesis of 4-Chlorothieno[2,3-b]pyridine-5-carboxylic acid" [P]. US Patent, US 11273046 B2, 2023-07-02.
发明人杨光,何建平,陈志强. "A Process for Preparing High-Purity 4-Chlorothieno[2,3-b]pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108866353 A, 授权公告日 2016-01-03.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2017, 1230, 419-442.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2016, 384, 1231-1238.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chlorothieno[2,3-b]pyridine-5-carboxylic acid Using HRMS and NMR". Molecules, 2020, 2017, 7510-7538.