1,2,3,4,7,7-HEXACHLORONORBORNADIENE 1,2,3,4,7,7-Hexachloro-2,5-norbornadiene 1,2,3,4,7,7-Hexachlorobicyclo(2.2.1)hepta-2,5-diene 2,5-Norbornadiene, 1,2,3,4,7,7-hexachloro- 2,5-Norbornadiene, 1,2,3,4,7,7-hexachloro- (8CI) 3389-71-7 AI3-51332 Bicyclo(2.2.1)hepta-2,5-diene, 1,2,3,4,7,7-hexachloro- EINECS 222-220-8 HSDB 6147 Hexachloronorbornadiene NSC 46471