[H]\C1=C([H])\[C@]2(C)CC[C@@]([H])(O2)\C(C)=C([H])/C[C@]2([H])C(=C(O)C(=O)[C@@]2(C)C\C([H])=C(C)/C1)[C@]([H])(C)COC(C)=O