发明人马晓峰,王建平,黄志刚. "Method for the Synthesis of tert-butyl 2-methyl-2-(5-methyl-2,4-dioxo-1,4-dihydrothieno[2,3-d]pyrimidin-3(2H)-yl)propanoate" [P]. 中国发明专利, 专利号 CN 114332141 B, 授权公告日 2025-03-20.
发明人何建平,马晓峰,刘建华. "A Process for Preparing High-Purity tert-butyl 2-methyl-2-(5-methyl-2,4-dioxo-1,4-dihydrothieno[2,3-d]pyrimidin-3(2H)-yl)propanoate" [P]. 中国发明专利, 专利号 CN 109594343 A, 授权公告日 2022-05-19.
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