发明人杨光,郭海燕,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113472948 A, 授权公告日 2019-04-21.
Lefèvre J P, Mueller T C, Rossi M. "Method for the Synthesis of 1-Butyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid" [P]. European Patent, EP 3641977 A1, 2020-10-25.
发明人高志强,赵玉洁,钱学锋. "A Process for Preparing High-Purity 1-Butyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114889964 A, 授权公告日 2019-07-13.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2023, 770, (6), 8653-8669.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2018, 356, (3), 9430-9457.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1-Butyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2010, 2403, 8594-8603.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2019, 893, (3), 6113-6139.