IUPAC:2-(5-{3-ethyl-1,1-dimethyl-6,8-disulfo-1H,2H,3H-benzo[e]indol-2-ylidene}penta-1,3-dien-1-yl)-1,1-dimethyl-3-{5-[(prop-2-yn-1-yl)carbamoyl]pentyl}-8-sulfo-1H-benzo[e]indol-3-ium-6-sulfonate
IUPAC:2-(5-{3-ethyl-1,1-dimethyl-6,8-disulfo-1H,2H,3H-benzo[e]indol-2-ylidene}penta-1,3-dien-1-yl)-1,1-dimethyl-3-{5-[(prop-2-yn-1-yl)carbamoyl]pentyl}-8-sulfo-1H-benzo[e]indol-3-ium-6-sulfonate