发明人杨光,韩伟,徐明华. "Method for the Synthesis of Fingolimod Hydrochloride EP Impurity B" [P]. 中国发明专利, 专利号 CN 117253295 A, 授权公告日 2016-06-19.
Kumar R, Fischer A B, Hughes D C. "A Process for Preparing High-Purity Fingolimod Hydrochloride EP Impurity B" [P]. US Patent, US 9948262 B2, 2022-06-19.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 芬戈莫德EP杂质B(盐酸盐) in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2021, 607, (12), 9783-9790.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 芬戈莫德EP杂质B(盐酸盐) as an Impurity". Food Chem., 2013, 1369, (6), 5512-5528.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Fingolimod Hydrochloride EP Impurity B Using HRMS and NMR". Environ. Sci. Technol., 2011, 273, (3), 4810-4823.