[H]N(C(=O)C(\[H])=C(/[H])C([H])([H])C(\[H])=C(\[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]