[H]C1(O)O[C@]([H])(CO)[C@@]([H])(O[C@]2([H])O[C@]([H])(CO)[C@@]([H])(O[C@]3([H])O[C@]([H])(CO)[C@@]([H])(O[C@]4([H])O[C@]([H])(CO)[C@@]([H])(O)[C@]([H])(O)[C@@]4([H])N=C(C)O)[C@]([H])(O)[C@@]3([H])N=C(C)O)[C@]([H])(O)[C@@]2([H])N=C(C)O)[C@]([H])(O)[C@@]1([H])N=C(C)O