O'Brien P Q, Patel M V, Brown S R. "Method for the Synthesis of Apixaban Impurity 111" [P]. US Patent, US 11454831 B2, 2016-01-14.
发明人孙丽萍,罗永刚,赵玉洁. "A Process for Preparing High-Purity Apixaban Impurity 111" [P]. 中国发明专利, 专利号 CN 112098638 A, 授权公告日 2016-03-11.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 阿哌沙班杂质111 in Pharmaceutical Formulations". J. Nat. Prod., 2025, 1388, (1), 6693-6701.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿哌沙班杂质111 as an Impurity". Biomed. Chromatogr., 2013, 2156, (3), 6373-6390.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Apixaban Impurity 111 Using HRMS and NMR". J. Chromatogr. A, 2021, 1143, (9), 3839-3842.