345-92-6 4,4'-Difluorobenzophenone 4-07-00-01374 (Beilstein Handbook Reference) BENZOPHENONE, 4,4'-DIFLUORO- BRN 0516231 Bis(4-fluorophenyl) ketone Bis(4-fluorophenyl)methanone Bis(p-fluorophenyl) ketone Di-p-fluorophenyl ketone EINECS 206-466-3 Methanone, bis(4-fluorophenyl)- (9CI) NSC 51800 p,p'-Difluorobenzophenone