发明人沈红梅,韩伟,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114642907 A, 授权公告日 2020-12-28.
Thompson G K, Hughes D C, Brown S R. "Method for the Synthesis of 4-Chloro-6-(ethylamino)pyrimidine-5-carbonitrile" [P]. US Patent, US 9236946 B2, 2018-04-06.
发明人马晓峰,沈红梅,罗永刚. "A Process for Preparing High-Purity 4-Chloro-6-(ethylamino)pyrimidine-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 115483543 A, 授权公告日 2024-01-28.
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". Biomed. Chromatogr., 2020, 1575, (8), 3612-3630.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2016, 2408, (6), 618-648.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-6-(ethylamino)pyrimidine-5-carbonitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 1748, 6100-6125.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2013, 747, (10), 5724-5754.