5,7-二羟基香豆素

8-(1-(5,7-dihydroxy-2-oxo-2H-chromen-3-yl)ethyl)-5,7-dihydroxy-2H-chromen-2-one

2-硝基丁酸乙酯

2,4,6-triacetyl-cyclohexane-1,3,5-trione

3-chloro-5,7-dihydroxy-4-methylchromen-2-one