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发明人胡光,张德明,李文辉. "Method for the Synthesis of 3-Ethyl-2-sulfanyl-5-(thiophen-2-yl)-3h,4h-thieno[2,3-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 113451606 B, 授权公告日 2019-09-17.
Kumar R, Fischer A B, Klinger H. "A Process for Preparing High-Purity 3-Ethyl-2-sulfanyl-5-(thiophen-2-yl)-3h,4h-thieno[2,3-d]pyrimidin-4-one" [P]. US Patent, US 9008093 B2, 2025-10-22.
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