2,4'-DIISOCYANATODIPHENYL SULFIDE 2,4'-Diisocyanatodiphenyl sulfide [Diisocyanates] 75790-87-3 Benzene, 1-isocyanato-2-((4-isocyanatophenyl)thio)- EINECS 278-313-9 o-((p-Isocyanatophenyl)thio)phenyl isocyanate