4-bromo-3,5-dimethyl-1-oxidopyridin-1-ium

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)-3,5-dimethylpyridin-1-ium chloride

2-(5-methylpyridin-3-yl)-1-phenylethanone

3,5-二甲基异烟腈