SMILES: CC(=O)N[C@@H]1[C@H](C[C@@](O[C@H]1[C@@H]([C@@H](CO)O)O)(C(=O)O)OC[C@@H]2[C@@H]([C@@H]([C@H]([C@H](O2)OC[C@@H](C(=O)O)N)NC(=O)C)O)O)O
Description: The molecule is the L-alpha-amino acid that is N-acetyl-alpha-neuraminyl-(2->6)-N-acetyl-alpha-D-galactosamine linked via an alpha glycosidic bond to the O at position 3 of L-serine. It is a L-serine derivative and a non-proteinogenic L-alpha-amino acid.