[H]C(=C([H])C(\[H])=C(/CO)\C(\[H])=C(\[H])/C(/[H])=C(/C)\C(\[H])=C(\[H])C(=O)OC)C(\[H])=C(\C)C([H])=C([H])C(\[H])=C(\C)C([H])=C([H])C(O)=O