1223-31-0 4,4'-Dinitrodiphenyl sulfide 4-Nitrophenyl sulfide Benzene, 1,1'-thiobis[4-nitro- Bis(4-nitrophenyl)sulfide Bis(p-nitrophenyl)sulfide NSC11350 Sulfide, bis(p-nitrophenyl) p,p'-Dinitrodiphenyl sulfide