发明人冯建国,王建平,李文辉. "Method for the Synthesis of 3-Methyl-2,4-dioxo-1-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108795704 B, 授权公告日 2020-06-05.
发明人何建平,郭海燕,郑宇鹏. "A Process for Preparing High-Purity 3-Methyl-2,4-dioxo-1-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109032840 A, 授权公告日 2017-08-15.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2012, 380, (4), 2458-2470.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 2441, 4930-4939.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-2,4-dioxo-1-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 1843, 8123-8141.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2019, 1021, (12), 712-730.