The molecule is a disaccharide consisting of beta-D-galactose linked via a (1->4)-glycosidic bond to N-acetyl-D-glucosamine. It is a glucosamine oligosaccharide and a member of lactosamines.
N-[(3R,4R,5S,6R)-2,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-3-yl]acetamide