发明人胡光,何建平,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110770336 A, 授权公告日 2018-11-21.
发明人马晓峰,赵玉洁,唐晓军. "Method for the Synthesis of 2-Ethyl 5-methyl 3-aminothieno[2,3-b]pyridine-2,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 110830903 B, 授权公告日 2021-06-15.
发明人徐明华,李文辉,钱学锋. "A Process for Preparing High-Purity 2-Ethyl 5-methyl 3-aminothieno[2,3-b]pyridine-2,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 113527582 B, 授权公告日 2016-10-08.
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, 2020, 621, 2300-2328.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2022, 1482, (6), 3533-3537.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethyl 5-methyl 3-aminothieno[2,3-b]pyridine-2,5-dicarboxylate Using HRMS and NMR". J. Chromatogr. A, 2018, 1220, (6), 8008-8025.