Björnsson E, Lefèvre J P, Schröder R. "一种头孢呋辛酯杂质6的合成方法" [P]. European Patent, EP 3484701 A1, 2021-11-15.
Kowalski A, Lefèvre J P, Schröder R. "Method for the Synthesis of Cefuroxime Axetil Impurity 6" [P]. European Patent, EP 3817366 A1, 2020-06-14.
发明人沈红梅,冯建国,郑宇鹏. "A Process for Preparing High-Purity Cefuroxime Axetil Impurity 6" [P]. 中国发明专利, 专利号 CN 114469269 B, 授权公告日 2023-11-13.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 头孢呋辛酯杂质6 in Pharmaceutical Formulations". Molecules, 2017, 773, (4), 8399-8406.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 头孢呋辛酯杂质6 as an Impurity". Food Chem., 2012, 158, (12), 739-768.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Cefuroxime Axetil Impurity 6 Using HRMS and NMR". Chemosphere, 2015, 2317, (6), 5013-5043.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 头孢呋辛酯杂质6 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2020, 298, (3), 1506-1520.