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2,2'-[benzene-1,4-diylbis(carbonyliminobenzene-4,1-diyl)]bis(1-ethylpyridinium) bis(4-methylbenzenesulfonate)

2,2'-[benzene-1,4-diylbis(carbonyliminobenzene-4,1-diyl)]bis(1-ethylpyridinium) bis(4-methylbenzenesulfonate)