发明人韩伟,林芳,沈红梅. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 113023515 A, 授权公告日 2019-07-19.
发明人赵玉洁,林芳,徐明华. "Method for the Synthesis of Orotidine 5'-monophosphate trisodium" [P]. 中国发明专利, 专利号 CN 112999989 A, 授权公告日 2019-05-17.
发明人罗永刚,郑宇鹏,钱学锋. "A Process for Preparing High-Purity Orotidine 5'-monophosphate trisodium" [P]. 中国发明专利, 专利号 CN 112838931 A, 授权公告日 2019-05-03.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 2019, (2), 9979-9995.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Molecules, 2020, 1547, (8), 9029-9033.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Orotidine 5'-monophosphate trisodium Using HRMS and NMR". Sci. Total Environ., 2020, 1555, (3), 6569-6590.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 1404, (8), 7556-7567.