Atomic structure
There is only one chemically distinct structure:
CCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CCCCCCCCCC)CO[C@@H]1O[C@H](CO)[C@@H](O[C@@H]2O[C@H](CO)[C@@H](O[C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@@H]3O)[C@H](O)[C@H]2NC(C)=O)[C@H](O)[C@H]1NC(C)=O