发明人李文辉,郑宇鹏,沈红梅. "Method for the Synthesis of 9-((2-Hydroxyethoxy)methyl)-2-(methylthio)-1H-purin-6(9H)-one" [P]. 中国发明专利, 专利号 CN 114233464 A, 授权公告日 2019-09-07.
发明人陈志强,林芳,孙丽萍. "A Process for Preparing High-Purity 9-((2-Hydroxyethoxy)methyl)-2-(methylthio)-1H-purin-6(9H)-one" [P]. 中国发明专利, 专利号 CN 109546865 B, 授权公告日 2020-02-14.
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