Hughes D C, Fischer A B, Kumar R. "Method for the Synthesis of N-(2-Chlorophenyl)-N-[2-methyl-6-(trifluoromethyl)pyridin-3-yl]urea" [P]. US Patent, US 10129453 B2, 2023-11-26.
发明人郑宇鹏,冯建国,马晓峰. "A Process for Preparing High-Purity N-(2-Chlorophenyl)-N-[2-methyl-6-(trifluoromethyl)pyridin-3-yl]urea" [P]. 中国发明专利, 专利号 CN 117888521 B, 授权公告日 2018-08-28.
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