1-Ethyl-2-methyl-5,6-dichlorobenzimidazole 1H-Benzimidazole, 5,6-dichloro-1-ethyl-2-methyl- 3237-62-5 5,6-Dichloro-1-ethyl-2-methyl-1H-benzimidazole 5,6-Dichloro-1-ethyl-2-methylbenzimidazole EINECS 221-797-3