50308-94-6 50309-15-4 6-Amino-1-methyl-4-((4-(((4-((1-methylpyridinium-4-yl)amino)phenyl)amino)carbonyl)phenyl)amino)quinolinium dibromide 61132-25-0 62930-99-8 Cain's quinolinium NSC 176319 Quinolinium dibromide Quinolinium, 6-amino-1-methyl-4-((4-((((1-methylpyridinium-4-yl)amino)phenyl)carbamoyl)phenyl)amino)-, dibromide Quinolinium, 6-amino-1-methyl-4-((4-(((4-((1-methylpyridinium-4-yl)amino)phenyl)amino)carbonyl)phenyl)amino)-, dibromide (9CI)