115970-63-3

3H-INDOLIUM, 2-[2-[2-CHLORO-3-[[1,3-DIHYDRO-3,3-DIMETHYL-1-(3-SULFOPROPYL)-2H-INDOL-2-YLIDENE]ETHYLIDENE]-1-CYCLOHEXEN-1-YL]ETHENYL]-3,3-DIMETHYL-1-(3-SULFOPROPYL)-, INNER SALT, SODIUM SALT