3-羟基丙酰胺

3-氨基丙酰胺

3-(3-bromo-4-oxopyridin-1(4H)-yl)propanamide

3-(3,5-dibromo-4-oxopyridin-1(4H)-yl)propanamide

1-(3-amino-3-oxopropyl)-4-(dimethylamino)pyridin-1-ium