α-(1-benzimidazolyl)2,4-dihydroxy-5-ethylacetophenone
2-(2,4-di-O-benzylidene-D-erytronoyl)pyrido[1,2-a]benzimidazole-4-carbonitrile
3-(4-{1-[2-(4-amino-phenyl)-2-oxo-ethyl]-1H-benzoimidazol-2-yl}-furazan-3-ylamino)-propionitrile
3-amino-4-(1H-benzo[d]imidazol-2-yl)-1,2,5-oxadiazole
α-hydroxyimino-(1H-benzimidazol-2-yl) acetonitrile