发明人孙丽萍,赵玉洁,高志强. "Method for the Synthesis of 8-(sec-Butylthio)-3-methyl-7-(2-methylallyl)-3,7-dihydro-1H-purine-2,6-dione" [P]. 中国发明专利, 专利号 CN 117186965 B, 授权公告日 2023-01-16.
发明人何建平,李文辉,王建平. "A Process for Preparing High-Purity 8-(sec-Butylthio)-3-methyl-7-(2-methylallyl)-3,7-dihydro-1H-purine-2,6-dione" [P]. 中国发明专利, 专利号 CN 109264696 B, 授权公告日 2015-02-15.
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