1759-05-3 3,3'-Dinitro-4,4'-dichlorodiphenyl sulfone 4,4'-Dichloro-3,3'-dinitrodiphenyl sulfone Benzene, 1,1'-sulfonylbis[4-chloro-3-nitro- Diphenylsulfone, 4,4'-dichloro-3,3'-dinitro- NSC4447 Sulfone, bis(4-chloro-3-nitrophenyl)