SMILES: C[C@@H]1[C@H]([C@@H]([C@@H]([C@H](O1)O)O[C@@H]2[C@H]([C@H]([C@@H]([C@H](O2)C)NC=O)O)O[C@@H]3[C@H]([C@H]([C@@H]([C@H](O3)C)NC=O)O)O[C@@H]4[C@H]([C@H]([C@@H]([C@H](O4)C)NC=O)O)O)O)NC=O
Description: The molecule is an amino tetrasaccharide consisting of four N-formyl-alpha-D-perosamine residues linked (1->2) throughout; forms the minimal structure for the A epitope of Brucella spp. It has a role as an epitope.