B lewis b

6-deoxy-α-<small>l</small>-galactopyranosyl-(1→4)-[6-deoxy-α-<small>l</small>-galactopyranosyl-(1→2)-β-<small>d</small>-galactopyranosyl-(1→3)]-2-acetamido-2-deoxy-α-<small>d</small>-glucopyranose

<small>l</small>-galactono-1,5-lactone

Hexopyranose