发明人郭海燕,孙丽萍,周伟. "一种环孢素EP杂质C的合成方法" [P]. 中国发明专利, 专利号 CN 115893651 A, 授权公告日 2023-04-03.
Lefèvre J P, Jørgensen K, Mueller T C. "Method for the Synthesis of Ciclosporin EP Impurity C" [P]. European Patent, EP 3752228 A1, 2015-11-04.
发明人郭海燕,韩伟,唐晓军. "A Process for Preparing High-Purity Ciclosporin EP Impurity C" [P]. 中国发明专利, 专利号 CN 114899947 B, 授权公告日 2020-01-08.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 环孢素EP杂质C in Pharmaceutical Formulations". J. Sep. Sci., 2015, 2182, (7), 7751-7781.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 环孢素EP杂质C as an Impurity". Anal. Methods, 2012, 2095, 1694-1697.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Ciclosporin EP Impurity C Using HRMS and NMR". Anal. Chim. Acta, 2017, 443, (12), 7192-7207.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate 环孢素EP杂质C Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2023, 1034, 4527-4543.