1,2-Bis[(1,3,5-tri-tert-butyl-4-oxo-2,5-cyclohexadien-1-yl)oxy]ethane

1-(3,5-di-tert-butyl-2-hydroxyphenyl)-3-methylpyridin-1-ium chloride

1,3-bis(3-methylpyridin-1-ium-1-yl)propan-2-ol,bromide

4-benzoylpyridine-3-carboxylic acid

3-methylpyridin-1-ium-1-amine,iodide