4-cyclohex-2-en-1-yloxychromen-2-one

4-hydroxy-3-(2-methoxyphenyl)coumarin

3-[2'-cyclohexenyl]-4-hydroxy-1-benzopyran-2(H)-one

2-bromo-cyclo-hexanone

4-(2-oxo-cyclohexanyloxy)-2H-1-benzopyran-2-one