发明人陈志强,赵玉洁,胡光. "Method for the Synthesis of 2-(6-(4-Methoxyphenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 108643183 B, 授权公告日 2016-12-14.
发明人何建平,刘建华,高志强. "A Process for Preparing High-Purity 2-(6-(4-Methoxyphenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110522963 A, 授权公告日 2019-03-09.
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