[H]N(C(=O)C([H])([H])C(=O)C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H])[C@]1([H])C(=O)OC([H])([H])C1([H])[H]