1H-Imidazo(4,5-b)quinoxalinium, 6-chloro-2-(3-(6-chloro-1,3-diphenyl-2H-imidazo(4,5-b)quinoxalin-2-ylidene)-1-propeny l)-1,3-diphenyl-, salt with 4-methylbenzenesulfonic acid (1:1) 25980-26-1 6-Chloro-2-(3-(6-chloro-1,3-diphenyl-2H-imidazo(4,5-b)quinoxalin-2-ylidene)-1-propeny l)-1,3-diphenyl-1H-imidazo(4,5-b)quinoxalinium salt with 4-methylbenzenesulfonic acid (1:1)