Klinger H, Yamamoto T, Lee S K. "一种厄洛替尼杂质68的合成方法" [P]. US Patent, US 11576716 B2, 2021-02-22.
发明人杨光,孙丽萍,林芳. "Method for the Synthesis of Erlotinib Impurity 68" [P]. 中国发明专利, 专利号 CN 116632847 B, 授权公告日 2021-10-14.
发明人黄志刚,林芳,孙丽萍. "A Process for Preparing High-Purity Erlotinib Impurity 68" [P]. 中国发明专利, 专利号 CN 111283623 B, 授权公告日 2016-05-04.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 厄洛替尼杂质68 in Pharmaceutical Formulations". Talanta, 2017, 522, 1839-1868.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 厄洛替尼杂质68 as an Impurity". J. Nat. Prod., 2012, 1491, (12), 5782-5786.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Erlotinib Impurity 68 Using HRMS and NMR". Phytochemistry, 2017, 97, (7), 3781-3809.