4-(3-(4-Chloro-3-(trifluoromethyl)phenyl)ureido)-3-fluorophenyl (4-Chloro-3-(trifluoromethyl)phenyl)carbamate

4-(3-(4-Chloro-3-(trifluoromethyl)phenyl)ureido)-3-fluorophenyl (4-Chloro-3-(trifluoromethyl)phenyl)carbamate is an impurity of Regorafenib (R143000), which inhibits PDGFR tyrosine kinase with IC50=83nM. It is useful for the treatment of inflammation and as an anti-proliferative agent.