Mueller T, Schröder R, Park J H. "一种阿哌沙班杂质91的合成方法" [P]. US Patent, US 9800975 B2, 2018-02-03.
发明人徐明华,张德明,林芳. "Method for the Synthesis of Apixaban Impurity 91" [P]. 中国发明专利, 专利号 CN 109177821 A, 授权公告日 2025-08-02.
发明人高志强,刘建华,李文辉. "A Process for Preparing High-Purity Apixaban Impurity 91" [P]. 中国发明专利, 专利号 CN 116742243 A, 授权公告日 2020-09-10.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 阿哌沙班杂质91 in Pharmaceutical Formulations". Anal. Chem., 2018, 1697, (7), 8755-8777.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿哌沙班杂质91 as an Impurity". Biomed. Chromatogr., 2013, 1609, (10), 3572-3595.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Apixaban Impurity 91 Using HRMS and NMR". Food Chem., 2015, 563, (5), 240-253.