1H-pyrrole-3-carboxaldehyde, 4-(1H-benzimidazol-2-yl)-2,5-dimethyl- 4-(1H-benzimidazol-2-yl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde InChI=1/C14H13N3O/c1-8-10(7-18)13(9(2)15-8)14-16-11-5-3-4-6-12(11)17-14/h3-7,15H,1-2H3,(H,16,17