2-quinolin-3-ylquinoline

N-[2-(1-methylquinolin-1-ium-2-yl)ethenyl]-N-phenylacetamide,iodide

1-methyl-2-[2-(3-nitrophenyl)ethenyl]quinolin-1-ium,iodide

1-methyl-2-(pyridin-1-ium-1-ylmethyl)quinolin-1-ium,iodide