SMILES: CC(=O)N[C@@H]1[C@H]([C@H]([C@H](O[C@H]1O)COS(=O)(=O)[O-])O)O[C@H]2[C@@H]([C@H](C=C(O2)C(=O)[O-])O)O
Description: The molecule is a 2-acetamido-2-deoxy-3-O-(4-deoxy-alpha-L-threo-hex-4-enopyranosyluronate)-6-O-sulfonato-D-galactopyranose(2-) in which the galactose moiety has beta-configuration at the anomeric centre. It is a conjugate base of a 4-deoxy-Delta(4)-beta-D-GlcpA-(1->3)-beta-D-GalpNAc6S.