Martínez F, Jørgensen K, Rossi M. "一种的合成方法" [P]. European Patent, EP 3752727 A1, 2024-07-05.
发明人赵玉洁,李文辉,钱学锋. "Method for the Synthesis of 2-Ethyl-4-(pyridin-4-yl)pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116685535 A, 授权公告日 2017-02-16.
发明人胡光,徐明华,马晓峰. "A Process for Preparing High-Purity 2-Ethyl-4-(pyridin-4-yl)pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113685930 A, 授权公告日 2016-01-14.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2024, 2084, (12), 5650-5672.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2011, 1400, (12), 8888-8918.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethyl-4-(pyridin-4-yl)pyrimidine-5-carboxylic acid Using HRMS and NMR". Talanta, 2021, 2353, (4), 1800-1825.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2020, 808, 4060-4088.