发明人冯建国,徐明华,何建平. "一种非布他司杂质64的合成方法" [P]. 中国发明专利, 专利号 CN 113767316 A, 授权公告日 2025-09-25.
Patel M V, Schröder R, Mueller T. "Method for the Synthesis of Febuxostat Impurity 64" [P]. US Patent, US 9114910 B2, 2024-02-05.
O'Brien P Q, Fischer A B, Brown S R. "A Process for Preparing High-Purity Febuxostat Impurity 64" [P]. US Patent, US 10973955 B2, 2024-10-26.
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 非布他司杂质64 in Pharmaceutical Formulations". Talanta, 2010, 506, (9), 3593-3596.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 非布他司杂质64 as an Impurity". Phytochemistry, 2020, 2147, 2095-2123.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Febuxostat Impurity 64 Using HRMS and NMR". Sci. Total Environ., 2017, 1691, (9), 8801-8814.