Yamamoto T, Hughes D C, Roberts E F. "一种的合成方法" [P]. US Patent, US 10756106 B2, 2023-02-02.
发明人张德明,何建平,陈志强. "Method for the Synthesis of 9-Butyl-6-(cyclopentylthio)-9H-purine" [P]. 中国发明专利, 专利号 CN 114990421 B, 授权公告日 2015-07-03.
发明人周伟,刘建华,钱学锋. "A Process for Preparing High-Purity 9-Butyl-6-(cyclopentylthio)-9H-purine" [P]. 中国发明专利, 专利号 CN 114890561 A, 授权公告日 2020-07-08.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2014, 1283, 8072-8098.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 1790, (9), 8749-8768.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 9-Butyl-6-(cyclopentylthio)-9H-purine Using HRMS and NMR". Sci. Total Environ., 2024, 1981, (12), 8745-8750.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2010, 963, (5), 6774-6792.