The molecule is an amino trisaccharide consisting of alpha-L-fucopyranose, beta-D-galactopyranose and 2-acetamido-2-deoxy-D-glucopyranose residues joined in sequence by (1->6) and (1->4) glycosidic bonds.
N-[(3R,4R,5S,6R)-2,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-[[(2R,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxyoxan-3-yl]acetamide