The molecule is a pyridinium ion that is the dimethyl derivative of 6-(dimethylamino)-2,10-bis(pyridine-4-yl)imidazo[1,5-a:3,4-a']dipyridin-5-ium. It has a role as a fluorochrome.
N,N-dimethyl-4,12-bis(1-methylpyridin-1-ium-4-yl)-9-aza-7-azoniatricyclo[7.4.0.02,7]trideca-1,3,5,7,10,12-hexaen-8-amine