发明人林芳,韩伟,李文辉. "Method for the Synthesis of Oxybutynin EP Impurity F" [P]. 中国发明专利, 专利号 CN 111815802 A, 授权公告日 2018-12-12.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 奥昔布宁EP杂质F in Pharmaceutical Formulations". Chromatographia, 2024, 1108, (2), 6263-6286.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 奥昔布宁EP杂质F as an Impurity". Rapid Commun. Mass Spectrom., 2013, 2044, (11), 4243-4252.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Oxybutynin EP Impurity F Using HRMS and NMR". J. Sep. Sci., 2023, 296, (4), 7892-7903.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 奥昔布宁EP杂质F Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2013, 145, (2), 5155-5166.