The molecule is an oligosaccharide sulfate consisting of alpha-L-pyranuronosyl and 2-acetamido-2-deoxy-4-O-sulfo-D-galactopyranose residues joined in sequence by a (1->3) glycosidic bond. It is an oligosaccharide sulfate, an amino disaccharide and a member of acetamides.
(2R,3S,4S,5R,6R)-6-[(3R,4R,5R,6R)-3-acetamido-2-hydroxy-6-(hydroxymethyl)-5-sulfooxyoxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid