Atomic structure
There is only one chemically distinct structure:
CC(=O)N[C@@H]([C@@H]1O[C@@](OP(=O)(O)OC[C@H]2O[C@@H](n3ccc(N)nc3=O)[C@H](O)[C@@H]2O)(C(=O)O)C[C@H](O)[C@H]1NC(C)=O)[C@@H](C)O