发明人李文辉,张德明,朱建伟. "Method for the Synthesis of 9-Ethyl-6-(isopropylthio)-9H-purine" [P]. 中国发明专利, 专利号 CN 108367071 B, 授权公告日 2015-01-10.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2017, 99, (6), 3196-3222.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 2423, 9912-9922.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 9-Ethyl-6-(isopropylthio)-9H-purine Using HRMS and NMR". Molecules, 2023, 302, (5), 5785-5788.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2024, 232, (3), 9155-9170.