1,2,3,4,7,7-Hexachloro-6-(methyldiichlorosilyl)norbornene 18291-67-3 Dichloro(1,4,5,6,7,7-hexachloro-5-norbornen-2-yl)methylsilane EINECS 242-164-8 Silane, dichloro(1,4,5,6,7,7-hexachloro-5-norbornen-2-yl)methyl-