Nielsen H, Rossi M, Sørensen M. "一种头孢吡肟杂质C65的合成方法" [P]. European Patent, EP 3930223 A1, 2016-03-03.
发明人高志强,罗永刚,郑宇鹏. "Method for the Synthesis of Cefepime EP Impurity A" [P]. 中国发明专利, 专利号 CN 112885999 B, 授权公告日 2017-01-19.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 头孢吡肟杂质C65 in Pharmaceutical Formulations". Chemosphere, 2011, 771, 3670-3698.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 头孢吡肟杂质C65 as an Impurity". Molecules, 2010, 1174, 962-988.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Cefepime EP Impurity A Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 577, (3), 6671-6686.