Chen K W, Williams B T, Schröder R. "一种的合成方法" [P]. US Patent, US 11285922 B2, 2017-06-23.
Nielsen H, Sørensen M, Björnsson E. "Method for the Synthesis of 6-(Difluoromethyl)pyrimidine-4-carboxylic acid" [P]. European Patent, EP 3579996 A1, 2024-11-11.
发明人唐晓军,高志强,冯建国. "A Process for Preparing High-Purity 6-(Difluoromethyl)pyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110963223 B, 授权公告日 2020-11-10.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2023, 1500, (1), 1597-1614.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2018, 573, 4381-4400.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Difluoromethyl)pyrimidine-4-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2017, 1310, (2), 811-826.