发明人刘建华,周伟,林芳. "Method for the Synthesis of Ethyl 5-amino-6-((cyclopropylmethyl)amino)pyrimidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117291994 A, 授权公告日 2025-06-27.
发明人徐明华,郭海燕,韩伟. "A Process for Preparing High-Purity Ethyl 5-amino-6-((cyclopropylmethyl)amino)pyrimidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117472246 A, 授权公告日 2022-05-24.
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". Biomed. Chromatogr., 2023, 173, (7), 1543-1557.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2019, 1979, (5), 8053-8081.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-amino-6-((cyclopropylmethyl)amino)pyrimidine-4-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2013, 590, 2365-2385.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2013, 2082, 3710-3725.