The molecule is an amino trisaccharide consisting of alpha-L-rhamnose at the reducing end having an alpha-L-rhamnosyl-(1->3)-N-acetyl-beta-D-glucosaminyl moiety attached at the 2-position. It is an amino trisaccharide and a glucosamine oligosaccharide.
N-[(2S,3R,4R,5S,6R)-5-hydroxy-6-(hydroxymethyl)-2-[(2R,3R,4R,5R,6S)-2,4,5-trihydroxy-6-methyloxan-3-yl]oxy-4-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-3-yl]acetamide