6-甲基-4-苯基香豆素

4-hydroxy-3-[(4-hydroxy-6-methyl-2-oxochromen-3-yl)methyl]-6-methylchromen-2-one

ethyl 2-(6-methyl-2-oxochromen-4-yl)oxyacetate

2,2,9-trimethyl-3,4-dihydropyrano[3,2-c]chromen-5-one

2,2,9-trimethylpyrano[3,2-c]chromen-5-one