3-苯基乙炔吡啶

N-(苯基甲基)-3-吡啶甲酰胺

3-戊酰基吡啶

1-methoxycarbonyl-3-cyano-6-n-butyl-1,6-dihydropyridine

1-methoxycarbonyl-2-n-butyl-3-cyano-1,2-dihydropyridine