2-ethoxy-3-[[4-[2-(5-oxo-2H-1,2,4-oxadiazol-3-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylic acid
2-ethoxy-3-[[4-[2-(5-oxo-2H-1,2,4-oxadiazol-3-yl)phenyl]phenyl]methyl]-4-benzimidazolecarboxylic acid
2-ethoxy-3-[4-[2-(5-keto-2H-1,2,4-oxadiazol-3-yl)phenyl]benzyl]benzimidazole-4-carboxylic acid