4,4'-Dichlorodiphenyl sulfone 4-Chloro-1-(4-chlorophenylsulfonyl)benzene 4-Chlorophenyl sulfone 80-07-9 Benzene, 1,1'-sulfonylbis[4-chloro- Bis(4-chlorophenyl) sulfone Bis(p-chlorophenyl) sulfone NSC38759 Sulfone, bis(p-chlorophenyl) WLN: GR DSWR DG p,p'-Dichlorodiphenyl sulfone