发明人马晓峰,胡光,黄志刚. "Method for the Synthesis of Zanamivir Impurity 1" [P]. 中国发明专利, 专利号 CN 116072798 A, 授权公告日 2019-01-01.
发明人刘建华,钱学锋,郭海燕. "A Process for Preparing High-Purity Zanamivir Impurity 1" [P]. 中国发明专利, 专利号 CN 111767517 B, 授权公告日 2021-10-25.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of Zanamivir Impurity1 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2016, 2442, 9766-9796.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of Zanamivir Impurity1 as an Impurity". Anal. Chim. Acta, 2010, 1292, (1), 2063-2078.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Zanamivir Impurity 1 Using HRMS and NMR". J. Sep. Sci., 2012, 1653, (3), 1891-1905.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Zanamivir Impurity1 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2019, 2313, (1), 3916-3936.