Williams B T, Thompson G K, Schröder R. "一种的合成方法" [P]. US Patent, US 11274289 B2, 2018-07-11.
发明人孙丽萍,何建平,胡光. "Method for the Synthesis of 4,6-Diethoxy-5-nitropyrimidine" [P]. 中国发明专利, 专利号 CN 113364339 B, 授权公告日 2022-07-19.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2018, 868, (11), 9884-9898.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2015, 1039, 5117-5138.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-Diethoxy-5-nitropyrimidine Using HRMS and NMR". Anal. Methods, 2010, 282, (7), 9761-9779.