The molecule is the N-glycosyl compound formed from the trisaccharide alpha-D-Gal-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc by replacement of the OH at the anomeric centre of the glucose residue by an acetylamino group.
N-[(2R,3R,4R,5S,6R)-5-[(2S,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]acetamide