GREEN SENSITIZER GR 829;5,5'-DICYANO-3-(4-SULFOBUTYL)-1,1',3'-TRIETHYLIMIDACARBOCYANINE BETAINE;5-CYANO-2-[3-(5-CYANO-1,3-DIETHYL-1,3-DIHYDRO-2H-BENZIMIDAZOL-2-YLIDENE)-1-PROPENYL]-1-ETHYL-3-(4-SULFOBUTYL)-1H-BENZIMIDAZOLIUM HYDROXIDE, INNER SALT;cyanocy