1-Chloro-4-isocyanatobenzene 104-12-1 4-CHLOROPHENYL ISOCYANATE 4-Chloroisocyanatobenzene Benzene, 1-chloro-4-isocyanato- Isocyanic acid, p-chlorophenyl ester NSC76589 PCPI WLN: OCNR DG p-Chlorfenylisokyanat p-Chlorophenyl isocyanate para-Chlorophenyl isocyanate