Mueller T C, Sørensen M, Johansson L. "一种阿哌沙班杂质121的合成方法" [P]. European Patent, EP 3227502 A1, 2021-07-06.
Rossi M, Lefèvre J P, Kowalski A. "Method for the Synthesis of Apixaban Impurity 121" [P]. European Patent, EP 3722800 A1, 2025-07-18.
发明人张德明,冯建国,钱学锋. "A Process for Preparing High-Purity Apixaban Impurity 121" [P]. 中国发明专利, 专利号 CN 115495900 A, 授权公告日 2016-09-06.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 阿哌沙班杂质121 in Pharmaceutical Formulations". J. Chromatogr. A, 2011, 2360, (8), 2647-2672.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿哌沙班杂质121 as an Impurity". Talanta, 2021, 1702, 7913-7942.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Apixaban Impurity 121 Using HRMS and NMR". Environ. Sci. Technol., 2012, 1647, 3296-3304.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 阿哌沙班杂质121 Profile in Drug Substances According to ICH Guidelines". Molecules, 2016, 2366, 6850-6867.