C/C(=C\Cc1c(O)c(Cl)c(C)c(C=O)c1O)CC/C(C)=C(\C)C(C)CCCO 5-chloro-2,4-dihydroxy-3-[(2E,6E)-11-hydroxy-3,6,7,8-tetramethylundeca-2,6-dienyl]-6-methylbenzaldehyde