1-Chloro-4-isothiocyanatobenzene 2131-55-7 4-Chlor-phenyl-isothiocyanat 4-Chlorophenyl isothiocyanate Benzene, 1-chloro-4-isothiocyanato- Isothiocyanic acid, 4-chlorophenyl ester Isothiocyanic acid, p-chlorophenyl ester NSC20213 WLN: SCNR DG p-Chlorophenyl isothiocyanate