1,2,3,4,7,7-Hexachloro-5-(diethoxymethylsilyl)bicyclo(2.2.1)hept-2-ene 18106-12-2 2-Norbornene, 1,2,3,4,7,7-hexachloro-5-(diethoxymethylsilyl)- EINECS 242-003-1