Anderson J P, Fischer A B, Roberts E F. "Method for the Synthesis of Methyl 2-(3-amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)furan-3-carboxylate" [P]. US Patent, US 11967848 B2, 2019-05-03.
Park J H, Anderson J P, Yamamoto T. "A Process for Preparing High-Purity Methyl 2-(3-amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)furan-3-carboxylate" [P]. US Patent, US 10023135 B2, 2015-11-20.
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". Chemosphere, 2014, 1289, (7), 279-307.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 1057, 3470-3500.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-(3-amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)furan-3-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2025, 1747, 4884-4903.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2020, 1432, 1282-1293.