最佳答案
回答者：网友
O(C(C([H])([H])[H])=O)[C@]12C([H])([H])[C@@]([H])([C@@]3([C@@]([H])([C@@]1([H])[C@@]([H])(C3([H])[H])[C@@]13[C@]([H])(C([H])([H])[C@]([H])([C@@]4(C([H])([H])OC([H])([H])[H])C([H])([H])N(C([H])([H])C([H])([H])[H])[C@]1([H])C2([H])C([H])([C@@]34[H])OC([H])([H])[H])O[H])OC([H])([H])[H])OC(C1C([H])=C([H])C([H])=C([H])C=1[H])=O)O[H])OC([H])([H])[H]
