O'Brien P Q, Anderson J P, Roberts E F. "一种仑伐替尼杂质N2的合成方法" [P]. US Patent, US 10848811 B2, 2019-04-14.
发明人黄志刚,朱建伟,陈志强. "Method for the Synthesis of Lenvatinib Impurity N2" [P]. 中国发明专利, 专利号 CN 108557898 A, 授权公告日 2015-09-03.
发明人张德明,何建平,黄志刚. "A Process for Preparing High-Purity Lenvatinib Impurity N2" [P]. 中国发明专利, 专利号 CN 108202847 B, 授权公告日 2020-02-25.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 仑伐替尼杂质N2 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2014, 87, 1412-1434.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 仑伐替尼杂质N2 as an Impurity". Chemosphere, 2017, 297, (7), 6936-6966.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Lenvatinib Impurity N2 Using HRMS and NMR". J. Agric. Food Chem., 2010, 1455, (6), 6362-6388.