发明人徐明华,韩伟,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110009856 A, 授权公告日 2020-10-10.
发明人韩伟,何建平,张德明. "Method for the Synthesis of 4-Ethyl-2-(2-methylcyclopropyl)pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116306853 B, 授权公告日 2018-09-28.
发明人朱建伟,冯建国,杨光. "A Process for Preparing High-Purity 4-Ethyl-2-(2-methylcyclopropyl)pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117937135 B, 授权公告日 2025-05-22.
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". Anal. Methods, 2019, 2177, 1476-1496.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2010, 194, 5331-5336.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-2-(2-methylcyclopropyl)pyrimidine-5-carboxylic acid Using HRMS and NMR". Chromatographia, 2013, 674, (7), 1126-1145.