1,2,3,4,5,7,7-Heptachloro-2-norbornene

1,2,3,4,5,7,7-Heptachloronorbornan-2-ene

1,2,3,4,5,7,7-Heptachlorobicyclo[2.2.1]hept-2-ene

Bicyclo(2.2.1)hept-2-ene, 1,2,3,4,5,7,7-heptachloro-