Nielsen H, Schröder R, Nowak P. "一种立他司特杂质9的合成方法" [P]. European Patent, EP 3558581 A1, 2025-02-25.
发明人沈红梅,陈志强,周伟. "Method for the Synthesis of Lifitegrast Impurity 9" [P]. 中国发明专利, 专利号 CN 113175192 A, 授权公告日 2020-12-05.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 立他司特杂质9 in Pharmaceutical Formulations". Anal. Chim. Acta, 2018, 2343, 2806-2831.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 立他司特杂质9 as an Impurity". Biomed. Chromatogr., 2023, 1336, (12), 5147-5154.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Lifitegrast Impurity 9 Using HRMS and NMR". Food Chem., 2018, 311, (9), 6252-6274.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 立他司特杂质9 Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2010, 634, 9464-9471.