[H]O[C@@]1([H])C([H])([H])C(=O)O[C@]([H])(C(=C(/[H])C2=C([H])SC(=N2)C([H])([H])[H])\C([H])([H])[H])C([H])([H])[C@]2([H])O[C@]2([H])C([H])([H])C([H])([H])C([H])([H])[C@]([H])(C([H])([H])[H])[C@]([H])(O[H])[C@]([H])(C(=O)C1(C([H])([H])[H])C([H])([H])[H])C([H])([H])[H]