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7-chloro-2-[(1E,3Z)-3-(6-chloro-1,3-diphenyl-1,3-dihydro-2H-imidazo[4,5-b]quinoxalin-2-ylidene)prop-1-en-1-yl]-1,3-diphenyl-2,3-dihydro-1H-imidazo[4,5-b]quinoxalin-4-ium 4-methylbenzenesulfonate related products: