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