1,1'-Tetramethylenebis(3-methyl-2-phenyl-1H-imidazo(1,2-a)pyridin-4-ium perchlorate) 1H-Imidazo(1,2-a)pyridin-4-ium, 1,1'-(1,4-butanediyl)bis(3-methyl-2-phenyl-, diperchlorate 1H-Imidazo(1,2-a)pyridin-4-ium, 1,1'-tetramethylenebis(3-methyl-2-phenyl-, diperchlorate 93835-29-1