发明人王建平,徐明华,张德明. "Method for the Synthesis of Propyl 2-((7-ethyl-1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)thio)acetate" [P]. 中国发明专利, 专利号 CN 110248517 A, 授权公告日 2016-03-06.
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