5-Chloro-6-(2,3-dichlorophenoxy)-2-(methylsulfinyl)-1H-benzimidazole; 5-Chloro-6-(2,3-dichlorophenoxy)-2-(methylsulfinyl)-1H-benzo[d]imidazole; 6-Chloro-5-(2,3-dichlorophenoxy)-2-(methylsulfinyl)-1H-benzimidazole;