IUPAC:2-[2-(3-{2-[3-(5-carboxylatopentyl)-1,1-dimethyl-1H,2H,3H-benzo[e]indol-2-ylidene]ethylidene}cyclohex-1-en-1-yl)ethenyl]-1,1,3-trimethyl-1H-benzo[e]indol-3-ium
IUPAC:2-[2-(3-{2-[3-(5-carboxylatopentyl)-1,1-dimethyl-1H,2H,3H-benzo[e]indol-2-ylidene]ethylidene}cyclohex-1-en-1-yl)ethenyl]-1,1,3-trimethyl-1H-benzo[e]indol-3-ium