发明人郑宇鹏,唐晓军,李文辉. "Method for the Synthesis of 1-(2,4-Dimethoxypyrimidin-5-yl)-3-(2-ethylphenyl)urea" [P]. 中国发明专利, 专利号 CN 110804092 A, 授权公告日 2018-09-23.
发明人孙丽萍,韩伟,罗永刚. "A Process for Preparing High-Purity 1-(2,4-Dimethoxypyrimidin-5-yl)-3-(2-ethylphenyl)urea" [P]. 中国发明专利, 专利号 CN 109765716 B, 授权公告日 2018-11-28.
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