3,6-di-O-acetyl-2-azido-1-N,4-O-dibenzyl-1,2,5-trideoxy-1,5-imino-D-galactitol

3-O-acetyl-5-azido-5-deoxy-1,2-O-isopropylidene-6-p-tolylsulfonyl-β-L-idofuranose