383-29-9 4,4'-Difluorodiphenyl sulfone 4-Fluorophenylsulfone Benzene, 1,1'-sulfonylbis(4-fluoro- Bis(4-fluorophenyl)sulfone Bis(p-fluorophenyl) sulfone Bis(p-fluorophenyl)sulphone EINECS 206-847-4 NSC 683542 NSC 87584 Sulfone, bis(p-fluorophenyl) (8CI)