Williams B T, Yamamoto T, O'Brien P Q. "一种卡培他滨杂质25的合成方法" [P]. US Patent, US 9135211 B2, 2015-06-19.
发明人郑宇鹏,王建平,钱学锋. "Method for the Synthesis of Capecitabine Impurity 25" [P]. 中国发明专利, 专利号 CN 113797103 A, 授权公告日 2016-02-25.
发明人沈红梅,陈志强,徐明华. "A Process for Preparing High-Purity Capecitabine Impurity 25" [P]. 中国发明专利, 专利号 CN 110162729 A, 授权公告日 2016-06-06.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 卡培他滨杂质25 in Pharmaceutical Formulations". Talanta, 2023, 2195, 1543-1559.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 卡培他滨杂质25 as an Impurity". J. Sep. Sci., 2022, 689, (4), 5359-5381.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Capecitabine Impurity 25 Using HRMS and NMR". Anal. Methods, 2019, 108, 5048-5066.