发明人朱建伟,陈志强,林芳. "Method for the Synthesis of N-(2-Methylphenyl)-N-[2-methyl-6-(trifluoromethyl)pyridin-3-yl]urea" [P]. 中国发明专利, 专利号 CN 108591405 A, 授权公告日 2023-09-11.
发明人杨光,王建平,刘建华. "A Process for Preparing High-Purity N-(2-Methylphenyl)-N-[2-methyl-6-(trifluoromethyl)pyridin-3-yl]urea" [P]. 中国发明专利, 专利号 CN 111818985 B, 授权公告日 2023-10-11.
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