发明人杨光,冯建国,何建平. "Method for the Synthesis of 1-(2,4-Dimethoxypyrimidin-5-yl)-3-(2-methoxyphenyl)urea" [P]. 中国发明专利, 专利号 CN 108815994 B, 授权公告日 2016-05-13.
Brown S R, Thompson G K, Williams B T. "A Process for Preparing High-Purity 1-(2,4-Dimethoxypyrimidin-5-yl)-3-(2-methoxyphenyl)urea" [P]. US Patent, US 11038502 B2, 2020-05-19.
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