Kumar R, Yamamoto T, Roberts E F. "一种的合成方法" [P]. US Patent, US 11589031 B2, 2018-01-02.
Anderson J P, O'Brien P Q, Hughes D C. "Method for the Synthesis of Ethyl 2-amino-3-carbamoyl-4,7-dihydrothieno[2,3-c]pyridine-6(5H)-carboxylate" [P]. US Patent, US 10970643 B2, 2020-06-22.
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". J. Agric. Food Chem., 2011, 926, 7099-7123.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 1856, 4170-4195.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-amino-3-carbamoyl-4,7-dihydrothieno[2,3-c]pyridine-6(5H)-carboxylate Using HRMS and NMR". Food Chem., 2010, 2025, (9), 154-167.