Synonyms: 4,4'-(1,4-Phenylenebis(carbonylimino-4,1-phenyleneimino))bis(1-methylpyridinium);Pyridinium, 4,4'-(1,4-phenylenebis(carbonylimino-4,1-phenyleneimino))bis(1-methyl-;AC1L3X8E;LS-132857;1-N,4-N-bis[4-[(1-methylpyridin-1-ium-4-yl)amino]phenyl]benzene-1,4-dicarboxamide;4,4'-[benzene-1,4-diylbis(carbonyliminobenzene-4,1-diylimino)]bis(1-methylpyridinium)