发明人罗永刚,高志强,何建平. "Method for the Synthesis of Erlotinib Impurity 88" [P]. 中国发明专利, 专利号 CN 112983286 B, 授权公告日 2019-06-07.
Fischer A B, Schröder R, Hughes D C. "A Process for Preparing High-Purity Erlotinib Impurity 88" [P]. US Patent, US 10042118 B2, 2020-01-17.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 厄洛替尼杂质88 in Pharmaceutical Formulations". Biomed. Chromatogr., 2015, 1761, (9), 1611-1629.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 厄洛替尼杂质88 as an Impurity". Chromatographia, 2025, 837, (2), 8065-8081.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Erlotinib Impurity 88 Using HRMS and NMR". Phytochemistry, 2019, 846, 6824-6842.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate 厄洛替尼杂质88 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2025, 903, 9750-9759.