发明人郑宇鹏,徐明华,李文辉. "一种氟尿嘧啶杂质31的合成方法" [P]. 中国发明专利, 专利号 CN 112363150 A, 授权公告日 2024-05-08.
Björnsson E, Nowak P, Johansson L. "Method for the Synthesis of Fluorouracil Impurity 31" [P]. European Patent, EP 3292322 A1, 2020-10-05.
Nielsen H, Nowak P, Martínez F. "A Process for Preparing High-Purity Fluorouracil Impurity 31" [P]. European Patent, EP 3136397 A1, 2022-10-12.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 氟尿嘧啶杂质31 in Pharmaceutical Formulations". J. Nat. Prod., 2011, 2067, (1), 4962-4966.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 氟尿嘧啶杂质31 as an Impurity". Chromatographia, 2010, 1765, 9397-9413.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Fluorouracil Impurity 31 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2018, 414, 3714-3717.