发明人胡光,孙丽萍,林芳. "Method for the Synthesis of Lenvatinib Impurity 48" [P]. 中国发明专利, 专利号 CN 114898372 A, 授权公告日 2016-09-10.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2013, 2171, (7), 9900-9911.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2011, 1699, (9), 4044-4062.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Lenvatinib Impurity 48 Using HRMS and NMR". Chemosphere, 2013, 1053, (10), 6435-6438.