[H][C@]1(COC(C)=O)O[C@@](COC(C)=O)(O[C@@]2([H])O[C@]([H])(COC(C)=O)[C@@]([H])(OC(C)=O)[C@]([H])(OC(C)=O)[C@@]2([H])OC(C)=O)[C@@]([H])(OC(C)=O)[C@]1([H])OC(C)=O