1-methyl-2-(5-nitroselenophen-2-yl)benzimidazole

1-methyl-2-(5'-methyl-4'-nitro-2'-selenienyl)benzimidazole

5-(1-methylbenzimidazol-2-yl)selenophene-2-sulfonic acid

2-(5-bromoselenophen-2-yl)-1-methylbenzimidazole

2-(3,5-dibromoselenophen-2-yl)-1-methylbenzimidazole