发明人唐晓军,沈红梅,赵玉洁. "Method for the Synthesis of Erlotinib Impurity 48" [P]. 中国发明专利, 专利号 CN 115706234 A, 授权公告日 2017-06-12.
Jørgensen K, Rossi M, Schröder R. "A Process for Preparing High-Purity Erlotinib Impurity 48" [P]. European Patent, EP 3032140 A1, 2022-05-04.
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48 in Pharmaceutical Formulations". Anal. Methods, 2021, 2283, 9235-9260.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 厄洛替尼杂质48 as an Impurity". Rapid Commun. Mass Spectrom., 2024, 1332, 63-74.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Erlotinib Impurity 48 Using HRMS and NMR". Phytochemistry, 2025, 720, 6244-6252.