1-苄基-6-氧代-1,6-二氢-3-吡啶羧酸

1-benzyl-4-cyano-4H-pyridine-3-carboxamide

1-苯甲基-1,4-二氢烟酰胺

1-benzyl-1,2,5,6-tetrahydronicotinamide

3-(aminocarbonyl)-1,6-dihydro-1-methylpyridine