The molecule is a glycosyl alditol consisting of galactitol having a beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl group attached at the 6-position. It derives from a galactitol.
N-[(2R,3R,4R,5S,6R)-4-hydroxy-6-(hydroxymethyl)-2-[(2R,3S,4R,5S)-2,3,4,5,6-pentahydroxyhexoxy]-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-3-yl]acetamide