1H-IMIDAZO[4,5-B]QUINOXALINIUM,6-CHLORO-2-[3-(6-CHLORO-1,3-DIHYDRO-1,3-DI-2-ALLYL-2H-IMIDAZO[4,5-B]QUINOXALIN-2-YLIDENE)ALLYL]-1,3-DI-2-ALLYL-,SALT WITH 4-METHYLBENZENESULFONIC ACID (1:1)