Synonyms: 1,2-Dichloro-4-phenyl isocyanate; Isocyanic acid 3,4-dichlorophenyl ester; Dichlorophenyl-3,4-isocyanate; 1,2-dichloro-4-isocyanato-benzen; 1,2-Dichloro-4-isocyanatobenzene; 3,4-Dichlorfenylisokyanat; 3,4-Dichlorphenylisocyanate; benzene,1,2-dichloro-4-isocyanato; benzene,1,2-dichloro-4-isocyanato-; benzene,1,2-dichloro-4isocyanato-; dcpi