[(E)-3-methyl-6-oxohex-2-enyl] acetate

methyl 8-acetyloxy-2,6-dimethylocta-2,6-dienoate

(1Ξ,5Ξ)-ψ,ψ-caroten-16-oic acid methyl ester

(2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-四甲基-2,4,6,8,10,12,14-十六碳七烯二醛

methyl 8-hydroxy-2,6-dimethylocta-2,6-dienoate