Synonyms: Ether,p-nitrophenyl a,a,a-trifluoro-2-nitro-p-tolyl (8CI);2,4'-Dinitro-4-(trifluoromethyl) diphenyl ether;2-Nitro-1-(4-nitrophenoxy)-4-(trifluoromethyl)benzene;3-Nitro-4-(p-nitrophenoxy)-a,a,a-trifluorotoluene; 4-Nitrophenyl4-(trifluoromethyl)-2-nitrophenyl ether;4'-Trifluoromethyl-2',4-dinitrodiphenyl ether; C 6989; Fluorodifen;Fluorodiphen; NSC 58415; Preforan; p-Nitrophenyl2-nitro-4-(trifluoromethyl)phenyl ether; p-Nitrophenyl a,a,a-trifluoro-2-nitro-p-tolyl ether; p-Nitrophenyl a,a,a-trifluoro-o-nitro-p-tolyl ether