Hughes D C, Mueller T, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 10447379 B2, 2020-07-05.
发明人郑宇鹏,杨光,孙丽萍. "Method for the Synthesis of 1,3,7-Trimethyluric Acid-d9
117490-42-3" [P]. 中国发明专利, 专利号 CN 117668378 B, 授权公告日 2020-12-12.
Park J H, Klinger H, Johnson M A. "A Process for Preparing High-Purity 1,3,7-Trimethyluric Acid-d9
117490-42-3" [P]. US Patent, US 10563547 B2, 2016-04-03.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 1724, (2), 767-790.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2020, 1892, 8232-8254.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 1,3,7-Trimethyluric Acid-d9
117490-42-3 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 789, (7), 6738-6767.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2019, 1444, (12), 2691-2694.