英文别名1,3-bis(4-chloro-alpha,alpha,alpha-trifluoro-m-tolyl)urea; Urea, N,N-bis4-chloro-3-(trifluoromethyl)phenyl-; N,N'-Bis(4-chloro-3-trifluoromethylphenyl)urea; N,N'-Bis[3-(trifluoromethyl)-4-chlorophenyl]urea; N,N'-Bis[4-chloro-3-(trifluoromethyl)phenyl]urea; 1,3-bis[4-chloro-3-(trifluoromethyl)phenyl]urea; 1,3-Bis(4-chloro-3-(trifluoromethyl)phenyl)urea; N,N'-Bis[4-chloro-3-(trifluoromethyl)phenyl]carbamimidic acid; Sorafenib Impurity I 
