最佳答案
回答者:网友
O([H])[C@@]1([H])C([H])([H])C([H])([H])[C@]2(C([H])([H])[H])C3C([H])([H])C([H])([H])[C@@]4(C([H])([H])[H])[C@]([H])([C@]([H])(C([H])([H])[H])C([H])([H])C([H])([H])/C(/[H])=C(\C([H])([H])[H])/C([H])([H])[H])C([H])([H])C([H])([H])[C@]4(C([H])([H])[H])C=3C([H])([H])C([H])([H])[C@@]2([H])C1(C([H])([H])[H])C([H])([H])[H]