Mueller T C, Sørensen M, Jørgensen K. "一种厄洛替尼杂质28的合成方法" [P]. European Patent, EP 3988869 A1, 2016-11-22.
Schröder R, Johnson M A, O'Brien P Q. "Method for the Synthesis of Erlotinib Impurity 28" [P]. US Patent, US 9641542 B2, 2024-03-24.
发明人郭海燕,刘建华,何建平. "A Process for Preparing High-Purity Erlotinib Impurity 28" [P]. 中国发明专利, 专利号 CN 116442893 B, 授权公告日 2022-05-01.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 厄洛替尼杂质28 in Pharmaceutical Formulations". Phytochemistry, 2016, 520, 3030-3056.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 厄洛替尼杂质28 as an Impurity". Biomed. Chromatogr., 2011, 830, (6), 6293-6311.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Erlotinib Impurity 28 Using HRMS and NMR". Chromatographia, 2024, 1073, 4080-4083.