最佳答案
回答者：网友
O1C2C([H])=C(C(=C(C=2C([C@]2([C@]1(C([H])([H])/C(/[H])=C(\C([H])([H])[H])/C([H])([H])[H])C1C([H])=C([H])C(=C([H])C=1O2)O[H])O[H])=O)O[H])[C@@]1([H])C([H])=C(C([H])([H])[H])C([H])([H])[C@@]([H])(C2C([H])=C([H])C(=C([H])C=2O[H])O[H])[C@]1([H])C(C1C([H])=C([H])C(=C([H])C=1O[H])O[H])=O)O[H]
