[H]C(=C([H])C([H])=C(C)C([H])=C([H])C([H])=C(C)C(O)=O)C(\[H])=C(/C)\C(\[H])=C(\[H])/C(/[H])=C(\C)OC(=O)CC1OC(C(O)C(O)C1O)C1=C(O)C2=C(OC3=CC(O)=C(OC4OC(C(O)C(O)C4O)C(O)=O)C=C3C2=O)C=C1O