发明人胡光,高志强,冯建国. "Method for the Synthesis of Edaravone Impurity 22" [P]. 中国发明专利, 专利号 CN 109309183 A, 授权公告日 2019-07-25.
Lefèvre J P, Kowalski A, Schröder R. "A Process for Preparing High-Purity Edaravone Impurity 22" [P]. European Patent, EP 3147859 A1, 2019-02-27.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 依达拉奉杂质22 in Pharmaceutical Formulations". Anal. Chim. Acta, 2016, 1520, 1518-1522.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 依达拉奉杂质22 as an Impurity". J. Pharm. Biomed. Anal., 2017, 865, (12), 4298-4305.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Edaravone Impurity 22 Using HRMS and NMR". Sci. Total Environ., 2025, 587, (12), 8916-8926.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 依达拉奉杂质22 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2012, 1136, 774-794.