7-formyl-3-benzyloxymethyl-11,15,19,23-tetramethyltetraeicosa-2E,6E,10E,14E,18E,22-hexane

4-hydroxymethylhex-4E-en-1-al ethylene acetate

(Z)-4-methyl-hex-4-enal

4-methylhex-4Z-en-1-al ethylene acetal

4-benzyloxymethylhex-4E-en-1-al