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发明人张德明,唐晓军,冯建国. "Method for the Synthesis of 1-(4,6-Dimethoxypyrimidin-2-yl)-1-(3-(trifluoromethyl)pyridin-2-yl)urea" [P]. 中国发明专利, 专利号 CN 116390531 B, 授权公告日 2018-04-10.
发明人韩伟,李文辉,胡光. "A Process for Preparing High-Purity 1-(4,6-Dimethoxypyrimidin-2-yl)-1-(3-(trifluoromethyl)pyridin-2-yl)urea" [P]. 中国发明专利, 专利号 CN 111000189 A, 授权公告日 2019-01-07.
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