1H-Benzimidazole, 4,5,6,7-tetrachloro-2-(pentafluoroethyl)- 4,5,6,7-Tetrachloro-2-pentafluoroethylbenzimidazole 49615-25-0 Benzimidazole, 2-pentafluoroethyl-4,5,6,7-tetrachloro-