IUPAC:2-[7-(1,1-dimethyl-3-{5-[(2-sulfanylethyl)carbamoyl]pentyl}-1H,2H,3H-benzo[e]indol-2-ylidene)hepta-1,3,5-trien-1-yl]-1,1-dimethyl-3-(4-sulfonatobutyl)-1H-benzo[e]indol-3-ium
IUPAC:2-[7-(1,1-dimethyl-3-{5-[(2-sulfanylethyl)carbamoyl]pentyl}-1H,2H,3H-benzo[e]indol-2-ylidene)hepta-1,3,5-trien-1-yl]-1,1-dimethyl-3-(4-sulfonatobutyl)-1H-benzo[e]indol-3-ium