发明人李文辉,陈志强,张德明. "Method for the Synthesis of Azacitidine Impurity 1" [P]. 中国发明专利, 专利号 CN 115216864 B, 授权公告日 2021-08-23.
发明人何建平,钱学锋,徐明华. "A Process for Preparing High-Purity Azacitidine Impurity 1" [P]. 中国发明专利, 专利号 CN 112739369 A, 授权公告日 2017-11-09.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 阿扎胞苷杂质1 in Pharmaceutical Formulations". Molecules, 2019, 1692, 8888-8907.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿扎胞苷杂质1 as an Impurity". Biomed. Chromatogr., 2023, 2223, (8), 5993-6006.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Azacitidine Impurity 1 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 823, 5051-5057.