Sørensen M, Kowalski A, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3875720 A1, 2022-03-12.
发明人黄志刚,周伟,马晓峰. "Method for the Synthesis of 2-Ethyl-5-methylpyrimidin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 113652720 B, 授权公告日 2020-07-22.
Johansson L, Schröder R, Nielsen H. "A Process for Preparing High-Purity 2-Ethyl-5-methylpyrimidin-4(1H)-one" [P]. European Patent, EP 3232482 A1, 2015-04-28.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2020, 738, 8641-8658.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2014, 1227, (12), 6974-6984.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethyl-5-methylpyrimidin-4(1H)-one Using HRMS and NMR". Environ. Sci. Technol., 2015, 1070, 5283-5305.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2012, 638, (5), 3095-3108.