SEARCH Articles Figures Tables Benzimidazol 4-oxid Benzimidazole 3-oxide Benzimidazole oxidation Benzimidazole ring Imidazol rings Imidazol-3-oxid Imidazole 1-oxides Imidazole 3-oxide ring Imidazole ring Imidazoles benzimidazolate Oxidative imidazole Oxide ring