Williams B T, Roberts E F, Park J H. "一种托法替布杂质60的合成方法" [P]. US Patent, US 11159488 B2, 2020-07-26.
发明人赵玉洁,李文辉,韩伟. "Method for the Synthesis of Tofacitinib Impurity 60" [P]. 中国发明专利, 专利号 CN 108693283 B, 授权公告日 2020-11-11.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 托法替布杂质60 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 2357, 7631-7661.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 托法替布杂质60 as an Impurity". Sci. Total Environ., 2014, 1838, 3711-3723.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Tofacitinib Impurity 60 Using HRMS and NMR". Food Chem., 2010, 1322, 9036-9065.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 托法替布杂质60 Profile in Drug Substances According to ICH Guidelines". Talanta, 2012, 564, (2), 8560-8564.