Nowak P, Schröder R, Rossi M. "一种氯维地平杂质C41的合成方法" [P]. European Patent, EP 3100607 A1, 2021-01-28.
Brown S R, Patel M V, Lee S K. "Method for the Synthesis of Clevidipine Impurity C41" [P]. US Patent, US 11490293 B2, 2022-05-21.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 氯维地平杂质C41 in Pharmaceutical Formulations". J. Agric. Food Chem., 2010, 891, 4007-4035.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 氯维地平杂质C41 as an Impurity". Rapid Commun. Mass Spectrom., 2015, 272, (12), 1295-1324.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Clevidipine Impurity C41 Using HRMS and NMR". Sci. Total Environ., 2018, 1620, (8), 6276-6306.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 氯维地平杂质C41 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2014, 1047, (12), 9291-9315.