The molecule is a pyridinium cation with a methyl substituent at the 1-position and a 4-(dimethylamino)styryl substituent at the 2-position. It has a role as a fluorochrome. It is a tertiary amine and a pyridinium ion.
N,N-dimethyl-4-[(E)-2-(1-methylpyridin-1-ium-2-yl)ethenyl]aniline