IUPAC:sodium 2-[(1E)-3-[(2E)-1-{5-[(3-azidopropyl)carbamoyl]pentyl}-3,3-dimethyl-5-sulfonato-2,3-dihydro-1H-indol-2-ylidene]prop-1-en-1-yl]-1,3,3-trimethyl-3H-indol-1-ium-5-sulfonate
IUPAC:sodium 2-[(1E)-3-[(2E)-1-{5-[(3-azidopropyl)carbamoyl]pentyl}-3,3-dimethyl-5-sulfonato-2,3-dihydro-1H-indol-2-ylidene]prop-1-en-1-yl]-1,3,3-trimethyl-3H-indol-1-ium-5-sulfonate