N-(4-((4-(diethylamino)phenyl)phenylmethylene)- 2,5-cyclohexadien-1-ylidene)-N-ethylethanaminium,sulfate (1:1), mixt. with 3,6-acridinediamine sul(1:1) & N-(4-(bis(4-dimethylamino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene-N-methyl methanaminium chloride