发明人杨光,钱学锋,高志强. "Method for the Synthesis of 2-Cyclopentyl-6-hydroxypyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111861716 B, 授权公告日 2022-03-28.
发明人郭海燕,王建平,林芳. "A Process for Preparing High-Purity 2-Cyclopentyl-6-hydroxypyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116994077 A, 授权公告日 2017-06-24.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2023, 2296, 3447-3467.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2022, 123, 8369-8385.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyclopentyl-6-hydroxypyrimidine-4-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2014, 1813, 82-106.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2012, 332, (2), 2862-2872.