[H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C(=O)OC([H])([H])[C@]([H])(OC(=O)C([H])([H])[H])[C@]([H])(OC(=O)C([H])([H])[H])[C@]([H])(OC(=O)C([H])([H])[H])C([H])([H])C([H])([H])[C@@]([H])(C([H])([H])[H])[C@@]1([H])C([H])([H])C([H])([H])[C@@]2(C([H])([H])[H])[C@@]1([H])C([H])([H])C([H])([H])[C@]1(C([H])([H])[H])[C@]2([H])C([H])([H])C([H])([H])[C@]2([H])[C@@]3(C([H])([H])[H])C([H])([H])C([H])([H])C([H])([H])C(C([H])([H])[H])(C([H])([H])[H])[C@]3([H])C([H])([H])C([H])([H])[C@@]12C([H])([H])[H]