7-[(E)-3'-methyl-4'-hydroxy-2'-butenyloxy]coumarin

7-<(E)-7-bromo-3,7-dimethyl-6-oxo-oct-2-en-4-ynyloxy>coumarin

(+/-)-(E)-5-[3-(acetyloxy)-1-methyl-1-propenyl]-dihydro-2,2-dimethyl-3(2H)-furanone