115970-66-6

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