2-(4-trifluoroacetamidophenyl)ethyl 6,7-di-O-benzyl-2,3-O-isopropylidene-L-glycero-α-D-manno-heptopyranoside

2-(4-trifluoroacetamidophenyl)ethyl (2,3-di-O-benzoyl-4-O-benzyl-6-O-chloroacetyl-β-D-glucopyranosyl)-(1->4)-6,7-di-O-benzyl-2,3-O-isopropylidene-L-glycero-α-D-manno-heptopyranoside