N-[4-Chloro-3-(trifluoromethyl)phenyl]carbamic Acid Ethyl Ester;Ethyl(4-Chloro-3-(trifluoromethyl)phenyl)carbamate; [4-Chloro-3-(trifluoromethyl)phenyl]carbamic Acid Ethyl Ester; 4-Chloro-3-(trifluoromethyl)carbanilic Acid Ethyl Ester; Ethyl [4-chloro-3-(trifluoromethyl)phenyl]carbamate; Sorafenib impurity G (USP);