Park J H, Yamamoto T, Davis P L. "Method for the Synthesis of 1-(2-Cyclopropyl-6-ethylpyrimidin-4-yl)-1H-imidazole-4-carboxylic acid" [P]. US Patent, US 11828105 B2, 2019-03-11.
发明人马晓峰,刘建华,高志强. "A Process for Preparing High-Purity 1-(2-Cyclopropyl-6-ethylpyrimidin-4-yl)-1H-imidazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112964571 B, 授权公告日 2022-03-10.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2025, 1285, 8694-8720.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2022, 1689, (5), 516-521.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Cyclopropyl-6-ethylpyrimidin-4-yl)-1H-imidazole-4-carboxylic acid Using HRMS and NMR". Food Chem., 2023, 1393, (4), 783-810.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2017, 1143, (5), 737-756.