发明人杨光,李文辉,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115224031 A, 授权公告日 2018-06-21.
Thompson G K, Williams B T, Roberts E F. "Method for the Synthesis of 2-Cyclobutyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid" [P]. US Patent, US 10561326 B2, 2025-04-15.
发明人李文辉,郭海燕,林芳. "A Process for Preparing High-Purity 2-Cyclobutyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116056046 A, 授权公告日 2016-10-10.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 2245, 5807-5833.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2018, 1836, (7), 110-125.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyclobutyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2021, 1793, (10), 2074-2101.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2010, 2453, (11), 9519-9540.