Nielsen H, Martínez F, Schröder R. "一种非索罗定杂质8的合成方法" [P]. European Patent, EP 3509891 A1, 2018-01-02.
发明人马晓峰,徐明华,韩伟. "Method for the Synthesis of Fesoterodine Impurity 8" [P]. 中国发明专利, 专利号 CN 116889422 B, 授权公告日 2023-04-13.
Fischer A B, Brown S R, Thompson G K. "A Process for Preparing High-Purity Fesoterodine Impurity 8" [P]. US Patent, US 9647093 B2, 2016-08-19.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 非索罗定杂质8 in Pharmaceutical Formulations". J. Chromatogr. A, 2019, 541, 7906-7926.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 非索罗定杂质8 as an Impurity". Biomed. Chromatogr., 2014, 2134, (3), 8905-8916.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Fesoterodine Impurity 8 Using HRMS and NMR". Food Chem., 2020, 311, (12), 5429-5452.