Chen K W, Thompson G K, Stevens L M. "Method for the Synthesis of N-(2-Amino-6-(((2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)amino)-4-oxo-1,4-dihydropyrimidin-5-yl)-N-methylformamide" [P]. US Patent, US 11147159 B2, 2023-05-02.
发明人林芳,郑宇鹏,冯建国. "A Process for Preparing High-Purity N-(2-Amino-6-(((2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)amino)-4-oxo-1,4-dihydropyrimidin-5-yl)-N-methylformamide" [P]. 中国发明专利, 专利号 CN 114029872 B, 授权公告日 2022-05-23.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 2443, (2), 5551-5558.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2023, 2345, (5), 6815-6839.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of N-(2-Amino-6-(((2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)amino)-4-oxo-1,4-dihydropyrimidin-5-yl)-N-methylformamide Using HRMS and NMR". Food Chem., 2012, 293, (7), 2090-2113.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2023, 518, (10), 989-1008.