1,1'-Sulfonylbisbenzene 127-63-9 4-06-00-01490 (Beilstein Handbook Reference) AI3-00637 BRN 1910573 Benzene, 1,1'-sulfonylbis- Caswell No. 399D DIPHENYLSULFONE DPS Difenylsulfon [Czech] Diphenyl sulfone Diphenyl sulphone EINECS 204-853-1 EPA Pesticide Chemical Code 399500 NSC 627706 NSC 6780 Phenyl sulfone Phenyl sulphone S-127 S-97 Sulfobenzide Sulfone, diphenyl