[H]OC1=C(OC([H])([H])[H])C(OC([H])([H])[H])=C([H])C([H])=C1[C@@]1([H])S[C@]23N(O[C@@]4([H])[C@]([H])(O[H])C([H])=C([H])[C@@]([H])(O[H])[C@@]4(O[H])C2([H])[H])C(=O)[C@]1([H])N(C3=O)C([H])([H])[H]