Kowalski A, Nowak P, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3729736 A1, 2019-06-01.
Davis P L, Brown S R, Yamamoto T. "Method for the Synthesis of 2-(Cyclopropylamino)-4-methylpyrimidine-5-carboxylic acid" [P]. US Patent, US 9597446 B2, 2024-01-09.
发明人郭海燕,沈红梅,张德明. "A Process for Preparing High-Purity 2-(Cyclopropylamino)-4-methylpyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115593032 A, 授权公告日 2025-03-20.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2024, 2271, (4), 970-979.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2020, 374, 8479-8499.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Cyclopropylamino)-4-methylpyrimidine-5-carboxylic acid Using HRMS and NMR". Phytochemistry, 2014, 1957, 7750-7775.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2019, 1742, 9496-9514.