methyl 5-hydroxyicosa-6,8,11,14-tetraenoate

methyl 5,10-dioxodeca-6,8-dienoate

methyl 5,10-dioxo-6(E),8(Z)-decadienoate

methyl 6-(3-furyl)-5-oxohexanoate

methyl 5,10-dihydroxy-10-methoxydeca-6,8-dienoate