Home3-O-Acetyl-1,6-anhydro-2-azido-2',3'-di-O-benzyl-4',6'-O-benzylidene-2-deoxy-β-D-cellobiose3-O-Acetyl-1,6-anhydro-2-azido-2',3'-di-O-benzyl-4',6'-O-benzylidene-2-deoxy-β-D-cellobiose ≥98%