Lefèvre J P, Schröder R, Mueller T C. "一种5-ethyl-2-mercapto-3-(4-methoxy-2-methylphenyl)-6-methylthieno[2,3-d]pyrimidin-4(3H)-one的合成方法" [P]. European Patent, EP 3757804 A1, 2021-01-22.
发明人李文辉,黄志刚,陈志强. "Method for the Synthesis of 5-ethyl-2-mercapto-3-(4-methoxy-2-methylphenyl)-6-methylthieno[2,3-d]pyrimidin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 115256131 B, 授权公告日 2021-02-07.
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