Schröder R, Stevens L M, Patel M V. "一种的合成方法" [P]. US Patent, US 10643682 B2, 2015-02-15.
发明人徐明华,张德明,刘建华. "Method for the Synthesis of Didanosine EP Impurity D" [P]. 中国发明专利, 专利号 CN 114407003 B, 授权公告日 2018-07-16.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2022, 1455, 3482-3501.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2012, 2103, (5), 2444-2469.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Didanosine EP Impurity D Using HRMS and NMR". Biomed. Chromatogr., 2013, 2405, 2138-2161.