发明人冯建国,周伟,刘建华. "Method for the Synthesis of Fedratinib Impurity 2" [P]. 中国发明专利, 专利号 CN 114828785 B, 授权公告日 2017-02-01.
发明人林芳,王建平,周伟. "A Process for Preparing High-Purity Fedratinib Impurity 2" [P]. 中国发明专利, 专利号 CN 115096766 B, 授权公告日 2022-11-19.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2025, 145, 4590-4600.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2015, 2009, (1), 575-605.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Fedratinib Impurity 2 Using HRMS and NMR". J. Chromatogr. A, 2011, 164, 1317-1323.