IR DYE 961ABS;4-[(E)-2-(2-CHLORO-3-((E)-2-[1-ETHYL-4(1H)-QUINOLINYLIDENE]ETHYLIDENE)-1-CYCLOHEXEN-1-YL)ETHENYL]-1-ETHYLQUINOLINIUM 4-METHYLBENZENESULFONATE;QUINOLINIUM, 4-[2-[2-CHLORO-3-[(1-ETHYL-4(1H)-QUINOLINYLIDENE)ETHYLIDENE]-1-CYCLOHEXEN-1-YL]ETHENY