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发明人何建平,张德明,黄志刚. "Method for the Synthesis of 8-((4-(2-Hydroxyethyl)piperazin-1-yl)methyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione" [P]. 中国发明专利, 专利号 CN 116970278 A, 授权公告日 2018-09-24.
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