(4-oxo-2,3-dihydrochromen-3-yl) acetate

1-(2-acetoxyphenyl)propenone

anti-7,8-diacethoxydibenzo[ei]-4,11-dioxatricyclo[6.4.O.O2,7]dodecane

(+/-)-3-hydroxy-2,3-dihydro-4H-chromen-4-one

3-((4-Nitrobenzenesulfonyl)oxy)-4-chromanone