NSC263663 Pyridinium, 3,3'-(bicyclo[2.2.2]octane-1,4-diylbis(carbonylimino-4,1-phenylenecarbonylimino))bis(1-methyl-, salt with 4-methyl-benzenesulfonic acid (1:2) Pyridinium, 3,3'-[bicyclo[2.2.2]octane-1,4-diylbis(carbonylimino-4,1-phenylenecarbonylimino)]bis(1-methyl-, salt with 4-methylbenzenesulfonic acid (1:2)