IUPAC:potassium 1-{5-[(3-{2-azatricyclo[10.4.0.0^{4,9}]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl}-3-oxopropyl)carbamoyl]pentyl}-2-[(1E,3E,5E)-7-[(2E)-1-ethyl-3,3-dimethyl-5-sulfonato-2,3-dihydro-1H-indol-2-ylidene]hepta-1,3,5-trien-1-yl]-3,3-dimethyl-3H-indol-1-ium-5-sulfonate
IUPAC:potassium 1-{5-[(3-{2-azatricyclo[10.4.0.0^{4,9}]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl}-3-oxopropyl)carbamoyl]pentyl}-2-[(1E,3E,5E)-7-[(2E)-1-ethyl-3,3-dimethyl-5-sulfonato-2,3-dihydro-1H-indol-2-ylidene]hepta-1,3,5-trien-1-yl]-3,3-dimethyl-3H-indol-1-ium-5-sulfonate