最佳答案
回答者：网友
O(C1=C(C([H])=C([H])C(=C1[H])C([H])([H])[C@]1([H])C2=C([H])C(=C(C([H])=C2C([H])([H])C([H])([H])N1C([H])([H])[H])OC([H])([H])[H])OC([H])([H])[H])O[H])C1=C(C([H])=C2C([H])([H])C([H])([H])N(C([H])([H])[H])[C@]([H])(C([H])([H])C3C([H])=C([H])C(=C([H])C=3[H])OC([H])([H])[H])C2=C1[H])OC([H])([H])[H]
