Nowak P, Björnsson E, Jørgensen K. "一种厄洛替尼杂质80的合成方法" [P]. European Patent, EP 3968987 A1, 2020-01-23.
Brown S R, Chen K W, Mueller T. "Method for the Synthesis of Erlotinib Impurity 80" [P]. US Patent, US 9794394 B2, 2020-05-13.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 厄洛替尼杂质80 in Pharmaceutical Formulations". Molecules, 2013, 726, (5), 4442-4461.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 厄洛替尼杂质80 as an Impurity". Anal. Chim. Acta, 2011, 1170, 1136-1155.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Erlotinib Impurity 80 Using HRMS and NMR". Chemosphere, 2023, 127, (2), 9558-9584.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 厄洛替尼杂质80 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2017, 1209, 75-83.