Phenol,4-[5-[bis(2-hydroxyethyl)amino]-1H-1,2,4-triazol-3-yl]

4-{5-[bis-(2-hydroxy-ethyl)-amino]-1H-[1,2,4]triazol-3-yl}-phenol

4-{5-[bis-(2-hydroxyethyl)amino]-1-methyl-1H-benzoimidazol-2-yl}-butanoic acid methyl ester

4-{5-[bis(2-hydroxyethyl)amino]-1-methyl-1H-benzimidazol-2-yl}butanoic acid