[H]OC1=C([H])C(O[H])=C2C(=O)C(O[C@]3([H])O[C@]([H])(C([H])([H])O[C@]4([H])O[C@@]([H])(C([H])([H])[H])[C@]([H])(O[H])[C@@]([H])(O[H])[C@@]4([H])O[H])[C@@]([H])(O[H])[C@]([H])(O[H])[C@@]3([H])O[C@]3([H])O[C@@]([H])(C([H])([H])[H])[C@]([H])(O[H])[C@@]([H])(O[H])[C@@]3([H])O[H])=C(OC2=C1[H])C1=C([H])C(O[H])=C(O[H])C([H])=C1[H]