Dienoate

(Z)-2-(hydroxymethyl)-2-[[(1-oxooctadeca-9,12-dienyl)oxy]methyl]propane-1,3-diyl bis[(9Z,12Z)-octadeca-9,12-dienoate]

decyl (Z,Z,Z)-6-[[4-(decyloxy)-1,4-dioxobut-2-enyl]oxy]-6-dodecyl-4,8,11-trioxo-5,7,12-trioxa-6-stannadocosa-2,9-dienoate