benzyl 4-O-benzyl-2,6-dideoxy-3-O-(3,4-di-O-benzyl-2,6-dibromo-2,6-dideoxy-α-D-glucopyranosyl)-α-D-arabino-hexopyranoside

benzyl 4-O-benzyl-2,6-dideoxy-3-O-(3,4-di-O-benzyl-2,6-dibromo-2,6-dideoxy-β-D-glucopyranosyl)-α-D-arabino-hexopyranoside

benzyl 4-O-benzyl-2,6-dideoxy-3-O-(3,4,6-tri-O-acetyl-2-deoxy-β-D-arabino-hexopyranosyl)-α-D-arabino-hexopyranoside

benzyl 4-O-benzyl-2,6-dideoxy-3-O-(3,4,6-tri-O-acetyl-2-deoxy-α-D-arabino-hexopyranosyl)-α-D-arabino-hexopyranoside