1,1'-Hexamethylenebis(2-phenyl-1H-imidazo(1,2-a)pyridin-4-ium perchlorate) 1H-Imidazo(1,2-a)pyridin-4-ium, 1,1'-(1,6-hexanediyl)bis(2-phenyl-, diperchlorate 1H-Imidazo(1,2-a)pyridin-4-ium, 1,1'-hexamethylenebis(2-phenyl-, diperchlorate 93835-37-1