8H-PYRANO(3,2-G)QUINOLINIUM, 4-(5-(3-(3-CARBOXYPROPYL)-1,3-DIHYDRO-3-METHYL-5-SULFO-1-(3-SULFOPROPYL)-2H-INDOL-2-YLIDENE)-1,3-PENTADIEN-1-YL)-9-ETHYL-6,8,8-TRIMETHYL-2-PHENYL-, INNER SALT
8h-pyrano(3,2-g)quinolinium, 4-(5-(3-(3-carboxypropyl)-1,3-dihydro-3-methyl-5-sulfo-1-(3-sulfopropyl)-2h-indol-2-ylidene)-1,3-pentadien-1-yl)-9-ethyl-6,8,8-trimethyl-2-phenyl-, inner salt