methyl 3-(2,4,6-trimethylphenyl)prop-2-enoate

methyl 3-(furan-2-yl)prop-2-enoate

(E,E)-3-[5-(2-methoxycarbonyl-vinyl)-furan-2-yl]-acrylic acid methyl ester

methyl 5-[(E)-3-methoxy-3-oxoprop-1-enyl]furan-2-carboxylate

methyl 6-methylhepta-3,5-dienoate