Stevens L M, Johnson M A, Brown S R. "一种非布索坦杂质26的合成方法" [P]. US Patent, US 11159820 B2, 2018-07-03.
Kowalski A, Johansson L, Nielsen H. "Method for the Synthesis of Febuxostat Impurity 26" [P]. European Patent, EP 3827051 A1, 2019-02-13.
发明人胡光,刘建华,唐晓军. "A Process for Preparing High-Purity Febuxostat Impurity 26" [P]. 中国发明专利, 专利号 CN 117649561 B, 授权公告日 2021-04-18.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 非布索坦杂质26 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 1167, 9766-9796.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 非布索坦杂质26 as an Impurity". J. Pharm. Biomed. Anal., 2024, 919, 3899-3919.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Febuxostat Impurity 26 Using HRMS and NMR". Food Chem., 2013, 2283, 8676-8694.