1,2,3,4,7,7-Hexachloro-5-(tribromophenyl)bicyclo(2.2.1)hept-2-ene 56890-89-2 Bicyclo(2.2.1)hept-2-ene, 1,2,3,4,7,7-hexachloro-5-(tribromophenyl)- EINECS 260-420-7