18355-50-5 6,6'-(p,p'-Biphenylylenebis(carbonylimino))bis(1-ethylquinolinium) ditosylate Quinolinium, 6,6'-((1,1'-biphenyl)-4,4'-diylbis(carbonylimino))bis(1-ethyl-, salt with 4-methylbenzenesulfonic acid (1:2) Quinolinium, 6,6'-(4,4'-biphenylenebis(carbonylimino))bis(1-ethyl-, di-p-toluenesulfonate Quinolinium, 6,6'-(p,p'-biphenylylenebis(carbonylimino))bis(1-ethyl-, ditosylate SN 6050