Kumar R, Johnson M A, Davis P L. "一种的合成方法" [P]. US Patent, US 9390923 B2, 2018-07-28.
Kowalski A, Johansson L, Björnsson E. "Method for the Synthesis of ((2R,3S,4R,5R)-5-(6-Amino-8-bromo-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl trihydrogen diphosphate" [P]. European Patent, EP 3051992 A1, 2018-07-22.
发明人周伟,张德明,朱建伟. "A Process for Preparing High-Purity ((2R,3S,4R,5R)-5-(6-Amino-8-bromo-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl trihydrogen diphosphate" [P]. 中国发明专利, 专利号 CN 111506801 B, 授权公告日 2021-08-23.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2017, 255, 4784-4805.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 151, 5860-5872.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of ((2R,3S,4R,5R)-5-(6-Amino-8-bromo-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl trihydrogen diphosphate Using HRMS and NMR". J. Agric. Food Chem., 2012, 1141, 9203-9216.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2013, 914, (10), 8617-8646.