[H]C1(C[C@]2(C)C1=C(CO)C([H])(O)C1([H])CC(C)(C)CC21[H])OC(=O)C1=C(C)C(OC2([H])OC([H])(C(O)=O)C([H])(O)C([H])(O)C2([H])O)=C(O)C(O)=C1O