1 QMQ 1-(4-(4-(4-((6-amino-9h-purin-9-yl)methyl)phenyl)butyl)benzyl)-4- (dimethylamino)pyridinium 1.000 2 PQ7 4-(dimethylamino)-1-{4-[4-(4-{[4-(pyrrolidin-1-yl)pyridinium-1-yl]methyl}phenyl)butyl]benzyl}pyridinium 0.829