Björnsson E, Kowalski A, Mueller T C. "一种34-甲基氰钴胺素(维生素B12 EP杂质C)的合成方法" [P]. European Patent, EP 3773693 A1, 2022-11-19.
发明人沈红梅,林芳,冯建国. "Method for the Synthesis of 34-Methylcyanocobalamin(Cyanocobalamin EP Impurity C)" [P]. 中国发明专利, 专利号 CN 113127968 A, 授权公告日 2017-02-21.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 34-甲基氰钴胺素(维生素B12 EP杂质C) in Pharmaceutical Formulations". J. Nat. Prod., 2011, 2422, (5), 1477-1492.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 34-甲基氰钴胺素(维生素B12 EP杂质C) as an Impurity". J. Pharm. Biomed. Anal., 2016, 314, (11), 9868-9886.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 34-Methylcyanocobalamin(Cyanocobalamin EP Impurity C) Using HRMS and NMR". Sci. Total Environ., 2018, 2352, (9), 2352-2367.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 34-甲基氰钴胺素(维生素B12 EP杂质C) Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2018, 583, (10), 3815-3824.