发明人高志强,胡光,罗永刚. "Method for the Synthesis of 1-Cyclohexyl-3-(5H-purin-6-yl)urea" [P]. 中国发明专利, 专利号 CN 111481016 A, 授权公告日 2022-04-02.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2013, 360, (9), 7122-7145.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2015, 1011, 4041-4056.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 1-Cyclohexyl-3-(5H-purin-6-yl)urea Using HRMS and NMR". Molecules, 2010, 787, (5), 9231-9237.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2016, 135, (7), 1241-1270.