The molecule is a linear amino tetrasaccharide consisting of two galactosyl, one glucosamine, two fucose and one glucose residue (at the reducing end) linked as shown. It is an amino hexasaccharide and a glucosamine oligosaccharide.
N-[(2S,3R,4R,5S,6R)-2-[(2S,3R,4S,5S,6R)-2-[(2R,3R,4R,5R)-5,6-dihydroxy-2-(hydroxymethyl)-4-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-4-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-3-yl]acetamide