6,6'-(1,4-Butanediylbis(imino-3,1-propanediyliminocarbonyl-4,1-phenylene))bis(3,8-diamino-5-methylphenanthridinium) 70940-03-3 Phenanthridinium, 6,6'-(1,4-butanediylbis(imino-3,1-propanediyliminocarbonyl-4,1-phenylene))bis(3,8-diamino-5-methyl-