The molecule is a cationic C3-cyanine type compound with 1-ethylquinolin-4-yl groups at both ends. It has a role as a fluorochrome. It is a member of quinolines and a quinolinium ion.
(4E)-1-ethyl-4-[(E)-3-(1-ethylquinolin-1-ium-4-yl)prop-2-enylidene]quinoline