发明人韩伟,李文辉,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112114993 A, 授权公告日 2021-03-11.
发明人唐晓军,孙丽萍,林芳. "Method for the Synthesis of 6-Isobutyl-2-oxo-1,2-dihydro-4-pyrimidinecarboxylic acid hydrate" [P]. 中国发明专利, 专利号 CN 115495435 A, 授权公告日 2025-07-14.
Rossi M, Lefèvre J P, Björnsson E. "A Process for Preparing High-Purity 6-Isobutyl-2-oxo-1,2-dihydro-4-pyrimidinecarboxylic acid hydrate" [P]. European Patent, EP 3958748 A1, 2019-05-13.
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. Sep. Sci., 2021, 823, 9346-9371.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 1860, (5), 420-443.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 6-Isobutyl-2-oxo-1,2-dihydro-4-pyrimidinecarboxylic acid hydrate Using HRMS and NMR". Molecules, 2017, 2394, 5428-5453.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2025, 2043, 3891-3911.