3-氨基-7-羟基香豆素

N-(7-hydroxy-2-oxochromen-3-yl)acetamide

methyl 2-acetamido-3-(1H-indol-3-yl)prop-2-enoate

2-acetamido-3-pyridin-3-ylprop-2-enoic acid

N-[2-oxo-2-(4-oxo-3-phenylpiperidin-1-yl)ethyl]acetamide