2131-59-1 3-12-00-01427 (Beilstein Handbook Reference) 3-Bromophenyl isothiocyanate BRN 2081173 Benzene, 1-bromo-3-isothiocyanato- ISOTHIOCYANIC ACID, m-BROMOPHENYL ESTER m-Bromophenyl isothiocyanate