alpha-D-galactosyl-(1->2)-beta-D-galactosyl group
alpha-d-galactosyl-(1->2)-beta-d-galactosyl group
A β-<small>D</small>-galactosyl disaccharide group formed by removing the hydroxy group from the hemiacetal function of α-<small>D</small>-galactosyl-(1→2)-β-<small>D</small>-galactose.