Roberts E F, Hughes D C, Yamamoto T. "Method for the Synthesis of Lenvatinib Impurity 64" [P]. US Patent, US 11835105 B2, 2020-06-12.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 仑伐替尼杂质64 in Pharmaceutical Formulations". Talanta, 2013, 1190, (1), 3482-3501.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 仑伐替尼杂质64 as an Impurity". Molecules, 2022, 1026, 2520-2550.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Lenvatinib Impurity 64 Using HRMS and NMR". Environ. Sci. Technol., 2019, 2172, (4), 7028-7037.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 仑伐替尼杂质64 Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2018, 562, (6), 2311-2316.