Klinger H, Patel M V, Mueller T. "Method for the Synthesis of Solifenacin EP Impurity I" [P]. US Patent, US 9875579 B2, 2020-09-17.
发明人罗永刚,郑宇鹏,韩伟. "A Process for Preparing High-Purity Solifenacin EP Impurity I" [P]. 中国发明专利, 专利号 CN 111298821 A, 授权公告日 2022-03-14.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 索非那新EP杂质I in Pharmaceutical Formulations". Anal. Chem., 2022, 1196, 1052-1057.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 索非那新EP杂质I as an Impurity". Biomed. Chromatogr., 2016, 1985, (4), 1124-1154.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Solifenacin EP Impurity I Using HRMS and NMR". Anal. Chim. Acta, 2013, 1122, 1733-1739.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 索非那新EP杂质I Profile in Drug Substances According to ICH Guidelines". Food Chem., 2012, 153, (8), 2448-2478.