18519-41-0 6,6'-(p-Phenylenebis(carbonylimino))bis(1-(2-butoxyethyl)quinolinium) ditosylate Quinolinium, 6,6'-(p-phenylenebis(carbonylimino))bis(1-(2-butoxyethyl)-, ditosylate Quinolinium, 6,6'-(terephthaloyldiimino)bis(1-(2-butoxyethyl)-, di-p-toluenesulfonate