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发明人杨光,何建平,王建平. "Method for the Synthesis of 8-((2-Ethoxyethyl)thio)-3-methyl-7-(2-methylallyl)-3,7-dihydro-1H-purine-2,6-dione" [P]. 中国发明专利, 专利号 CN 112039935 A, 授权公告日 2019-12-08.
发明人李文辉,唐晓军,赵玉洁. "A Process for Preparing High-Purity 8-((2-Ethoxyethyl)thio)-3-methyl-7-(2-methylallyl)-3,7-dihydro-1H-purine-2,6-dione" [P]. 中国发明专利, 专利号 CN 114994006 A, 授权公告日 2021-06-16.
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