发明人孙丽萍,王建平,黄志刚. "Method for the Synthesis of 7-Benzyl-3-methyl-8-((3-methylbenzyl)thio)-1H-purine-2,6(3H,7H)-dione" [P]. 中国发明专利, 专利号 CN 115980485 B, 授权公告日 2018-03-05.
发明人刘建华,杨光,赵玉洁. "A Process for Preparing High-Purity 7-Benzyl-3-methyl-8-((3-methylbenzyl)thio)-1H-purine-2,6(3H,7H)-dione" [P]. 中国发明专利, 专利号 CN 108825291 A, 授权公告日 2015-05-21.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2018, 1472, 6137-6151.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2016, 1564, 8928-8932.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 7-Benzyl-3-methyl-8-((3-methylbenzyl)thio)-1H-purine-2,6(3H,7H)-dione Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2015, 88, (7), 1614-1643.