The molecule is an oligsaccharide sulfate that is 2-acetamido-2-deoxy-4-O-sulfo-beta-D-galactopyranose in which the hydroxy group at position 3 has been converted into the corresponding alpha-L-threo-hex-4-enopyranosidurosyl derivative. It is a member of acetamides, an amino disaccharide, a monocarboxylic acid and an oligosaccharide sulfate.
(2R,3R,4R)-2-[(3R,4R,5R,6R)-3-acetamido-2-hydroxy-6-(hydroxymethyl)-5-sulfooxyoxan-4-yl]oxy-3,4,5-trihydroxy-3,4-dihydro-2H-pyran-6-carboxylic acid