IUPAC:sodium 2-[(1E,3E)-5-[(2E)-1,1-dimethyl-7-sulfonato-3-(4-sulfonatobutyl)-1H,2H,3H-benzo[e]indol-2-ylidene]penta-1,3-dien-1-yl]-1,1-dimethyl-3-[5-({[4-(6-methyl-1,2,4,5-tetrazin-3-yl)phenyl]methyl}carbamoyl)pentyl]-7-sulfo-1H-benzo[e]indol-3-ium
IUPAC:sodium 2-[(1E,3E)-5-[(2E)-1,1-dimethyl-7-sulfonato-3-(4-sulfonatobutyl)-1H,2H,3H-benzo[e]indol-2-ylidene]penta-1,3-dien-1-yl]-1,1-dimethyl-3-[5-({[4-(6-methyl-1,2,4,5-tetrazin-3-yl)phenyl]methyl}carbamoyl)pentyl]-7-sulfo-1H-benzo[e]indol-3-ium