1-methyl-3-(1-methylpyridin-1-ium-3-yl)pyridin-1-ium,diiodide

3-(cyclopentylmethyl)pyridine

1-(3-bromopyridin-1-ium-1-yl)propan-2-one,iodide

3-(1-methyl-1H-pyrazol-4-yl)pyridine

3-(2-methylpyrazol-3-yl)pyridine