发明人韩伟,郭海燕,马晓峰. "Method for the Synthesis of 6-ethyl-3H,4H-thieno[2,3-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 111193178 B, 授权公告日 2022-10-02.
发明人赵玉洁,杨光,唐晓军. "A Process for Preparing High-Purity 6-ethyl-3H,4H-thieno[2,3-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 116985528 A, 授权公告日 2015-08-04.
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