发明人陈志强,杨光,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110896238 A, 授权公告日 2022-10-13.
发明人唐晓军,朱建伟,沈红梅. "Method for the Synthesis of 2-(5-Nitro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 108557776 B, 授权公告日 2019-09-09.
发明人钱学锋,冯建国,何建平. "A Process for Preparing High-Purity 2-(5-Nitro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114993168 A, 授权公告日 2023-06-22.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2011, 1057, (7), 1694-1702.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2013, 1833, (6), 1499-1529.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-(5-Nitro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetic acid Using HRMS and NMR". J. Agric. Food Chem., 2015, 1575, 6544-6571.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2021, 1494, (10), 1436-1455.