1-Butyl-3-(1-methyl-1H-benzimidazol-2-yl)-1H-imidazol-3-ium- 2-(1-Butyl-1H-3lambda~5~-imidazol-3-yl)-1-methyl-1H-benzimidazole hydroiodide AIDS-156624 AIDS156624 NSC627122 (IODIDE SALT)