IUPAC:tetrasodium 2-[(1E,3E)-5-[(2E)-1-{5-[(4-hydrogen phosphonato-4-hydroxy-4-phosphonatobutyl)carbamoyl]pentyl}-3,3-dimethyl-5-sulfonato-2,3-dihydro-1H-indol-2-ylidene]penta-1,3-dien-1-yl]-1,3,3-trimethyl-3H-indol-1-ium-5-sulfonate
IUPAC:tetrasodium 2-[(1E,3E)-5-[(2E)-1-{5-[(4-hydrogen phosphonato-4-hydroxy-4-phosphonatobutyl)carbamoyl]pentyl}-3,3-dimethyl-5-sulfonato-2,3-dihydro-1H-indol-2-ylidene]penta-1,3-dien-1-yl]-1,3,3-trimethyl-3H-indol-1-ium-5-sulfonate