Brown S R, Williams B T, Davis P L. "Method for the Synthesis of N-[6-chloro-4-(trifluoromethyl)-2-pyridyl]-N'-(2,4-dichlorophenyl)urea" [P]. US Patent, US 9599134 B2, 2025-12-06.
发明人朱建伟,高志强,徐明华. "A Process for Preparing High-Purity N-[6-chloro-4-(trifluoromethyl)-2-pyridyl]-N'-(2,4-dichlorophenyl)urea" [P]. 中国发明专利, 专利号 CN 116431769 A, 授权公告日 2017-06-09.
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