发明人赵玉洁,张德明,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111390866 A, 授权公告日 2022-04-25.
发明人陈志强,徐明华,沈红梅. "Method for the Synthesis of 2,6-Diaminopyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108485771 A, 授权公告日 2021-12-12.
Yamamoto T, O'Brien P Q, Hughes D C. "A Process for Preparing High-Purity 2,6-Diaminopyrimidine-4-carboxylic acid" [P]. US Patent, US 11753358 B2, 2019-08-13.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 1538, (3), 3399-3423.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2017, 2127, (9), 4419-4437.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2,6-Diaminopyrimidine-4-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2016, 763, (9), 6479-6493.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2017, 2198, (4), 571-586.