TRIPOTASSIUM 2-(2-(2-CHLORO-3-(2-(3,3-DIMETHYL-5-SULFONATO-1-(4-SULFONATOBUTYL)INDOLIN-2-YLIDENE)ETHYLIDENE)CYCLOHEX-1-ENYL)VINYL)-3,3-DIMETHYL-1-(4-SULFONATOBUTYL)-3H-INDOLIUM-5-SULFONATE

2-[2-[2-CHLORO-3-[2-[1,3-DIHYDRO-3,3-DIMETHYL-5-SULFO-1-(4-SULFOBUTYL)-2H-INDOL-2-YLIDENE]-ETHYLIDENE]-1-CYCLOHEXEN-1-YL]-ETHENYL]3,3-DIMETHYL-5-SULFO-1-(4-SULFOBUTYL)-3H-INDOLIUM HYDROXIDE, INNER SALT, TRIPOTASSIUM SALT