发明人张德明,杨光,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114034513 A, 授权公告日 2020-02-07.
Kowalski A, Mueller T C, Sørensen M. "Method for the Synthesis of 6-(Ethylthio)-7H-purine" [P]. European Patent, EP 3428458 A1, 2025-11-14.
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". J. Agric. Food Chem., 2022, 1407, 3578-3605.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2025, 1211, 5794-5820.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Ethylthio)-7H-purine Using HRMS and NMR". Anal. Chem., 2022, 2476, 8694-8700.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2014, 832, (5), 224-247.