Williams B T, Park J H, Roberts E F. "Method for the Synthesis of Ciclosporin EP Impurity F" [P]. US Patent, US 10752282 B2, 2025-10-24.
O'Brien P Q, Mueller T, Schröder R. "A Process for Preparing High-Purity Ciclosporin EP Impurity F" [P]. US Patent, US 9857709 B2, 2016-12-21.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 环孢素EP杂质F in Pharmaceutical Formulations". Chromatographia, 2018, 463, (8), 7905-7918.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 环孢素EP杂质F as an Impurity". J. Pharm. Biomed. Anal., 2012, 1013, 328-354.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Ciclosporin EP Impurity F Using HRMS and NMR". Environ. Sci. Technol., 2024, 256, 4256-4273.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 环孢素EP杂质F Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2010, 1976, (4), 4733-4737.