beta-D-galactosyl-(1->4)-N-acetyl-D-glucosaminyl group
beta-d-galactosyl-(1->4)-n-acetyl-d-glucosaminyl group
An  <em>N</em>-acetyl-<small>D</small>-glucosaminyl group obtained formally by removal of the hydroxy group from the hemiacetal function of β-<small>D</small>-galactosyl-(1→4)-<em>N</em>-acetyl-<small>D</small>-glucosamine.