最佳答案
回答者：网友
O([H])[C@]12C([H])([H])C([H])([C@@]([H])(C3=C([H])C(=O)OC3([H])[H])[C@@]1(C([H])([H])[H])C([H])([H])C([H])([H])[C@@]1([H])[C@@]3(C([H])([H])[H])C([H])([H])C([H])([H])C([H])(C([H])([H])[C@]3([H])C([H])([H])C([H])([H])[C@@]21[H])OC1([H])C([H])([H])C([H])(C([H])(C([H])(C([H])([H])[H])O1)O[H])OC([H])([H])[H])OC(C([H])([H])[H])=O
