2-Norbornene, 1,2,3,4,7,7-hexachloro-5-(1,5-hexadienyl)-, endo- 28861-48-5 Bicyclo(2.2.1)hept-2-ene, 1,2,3,4,7,7-hexachloro-5-(1,5-hexadienyl)-, (1R,4S,5R)-rel-