发明人胡光,林芳,杨光. "Method for the Synthesis of Upadacitinib Impurity 53" [P]. 中国发明专利, 专利号 CN 109124992 A, 授权公告日 2025-02-07.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 乌帕替尼杂质53 in Pharmaceutical Formulations". Molecules, 2019, 1446, 9093-9119.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 乌帕替尼杂质53 as an Impurity". Food Chem., 2023, 2240, (1), 2506-2514.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Upadacitinib Impurity 53 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2018, 594, 9691-9704.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 乌帕替尼杂质53 Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2010, 2164, (1), 9847-9858.