The molecule is an amino trisaccharide that consists of a galactopyranose residue attached by a beta-(1->4)-linkage to an N-acetylglucosamine residue, that is in turn attached to a mannopyranose by a (1->6)-linkage.
N-[(2R,3R,4R,5S,6R)-4-hydroxy-6-(hydroxymethyl)-2-[[(2R,3S,4S,5S)-3,4,5,6-tetrahydroxyoxan-2-yl]methoxy]-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-3-yl]acetamide