Atomic structure
There is only one chemically distinct structure:
CC(=O)N[C@@H]1[C@@H](OP(=O)(O)OP(=O)(O)OC[C@H]2O[C@@H](n3ccc(=O)[nH]c3=O)[C@H](O)[C@@H]2O)O[C@H](C(=O)O)[C@@H](O)[C@@H]1NC(C)=O