发明人李文辉,罗永刚,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115418954 A, 授权公告日 2025-09-11.
发明人唐晓军,沈红梅,周伟. "Method for the Synthesis of 5-Hydroxy-6-oxo-2-(thiophen-2-yl)-1,6-dihydropyrimidine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 109659119 B, 授权公告日 2020-04-07.
发明人李文辉,罗永刚,陈志强. "A Process for Preparing High-Purity 5-Hydroxy-6-oxo-2-(thiophen-2-yl)-1,6-dihydropyrimidine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 117615436 A, 授权公告日 2018-06-16.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2016, 1172, 2534-2556.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 158, (1), 9980-10009.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 5-Hydroxy-6-oxo-2-(thiophen-2-yl)-1,6-dihydropyrimidine-4-carboxamide Using HRMS and NMR". J. Sep. Sci., 2024, 1978, 3634-3646.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2016, 2114, 4034-4064.