4,4'-Dichlorodiphenyl sulfide 5181-10-2 Benzene, 1,1'-thiobis[4-chloro- Bis(4-chlorophenyl) sulfide Bis(p-chlorophenyl) sulfide Di-p-chlorophenyl sulfide NSC40470 Sulfide, bis(p-chlorophenyl) p-Chlorophenyl sulfide