Synonyms: 4,4'-(Terephthaloylbis(imino-p-phenylene))bis(1-methylpyridinium)di-p-toluenesulfonate;Pyridinium, 4,4'-(terephthaloylbis(imino-p-phenylene))bis(1-methyl-, di-p-toluenesulfonate;18520-56-4;AC1L4FB4;LS-132940;1-N,4-N-bis[4-(1-methylpyridin-1-ium-4-yl)phenyl]benzene-1,4-dicarboxamide; 4-methylbenzenesulfonate;4,4'-[benzene-1,4-diylbis(carbonyliminobenzene-4,1-diyl)]bis(1-methylpyridinium) bis(4-methylbenzenesulfonate)