The molecule is a glycosyl alditol consisting of 2-acetamido-2-deoxy-beta-D-glucopyranose, beta-D-galactopyranose and D-glucitol joined in sequence by (1->3) and (1->4) glycosidic bonds. It derives from a lactitol, a N-acetyl-beta-D-glucosamine and a beta-D-GlcpNAc-(1->3)-beta-D-Galp.
N-[(2S,3R,4R,5S,6R)-2-[(2R,3S,4S,5R,6S)-3,5-dihydroxy-2-(hydroxymethyl)-6-[(2R,3R,4R,5S)-1,2,4,5,6-pentahydroxyhexan-3-yl]oxyoxan-4-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide