CC(C)=CCC/C(C)=C/CC/C(C)=C/CC/C(C)=C/CC/C(C)=C/CCc1cc(C=O)cc(/C=C(/C=O)CCC=C(C)C)c1 3-[(1E)-2-formyl-6-methylhepta-1,5-dienyl]-5-[(3E,7E,11E,15E)-4,8,12,16,20-pentamethylhenicosa-3,7,11,15,19-pentaenyl]benzaldehyde