发明人李文辉,周伟,刘建华. "Method for the Synthesis of 5-(Dimethylamino)-6-ethyl-1-methyl-3-phenylpyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 113296080 B, 授权公告日 2016-04-25.
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