2-bromoethyl 2,3,6-tri-O-benzyl-4-O-<2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-α-D-<6,6-(2)H2>galactopyranosyl)-β-D-<6,6-(2)H2>galactopyranosyl>-β-D-glucopyranoside

2'-bromoethyl-2,3,4,6-tetra-O-acetyl-α-D-galactopyranoside