methyl 7-O-tertbutyldimethylsilyl-L-glycero-α-D-manno-heptopyranoside

methyl 2,3,4,6,7-penta-O-acetyl-L-glycero-α-D-manno-heptopyranosyl-(1->7)-2,3,4,6-tetra-O-acetyl-L-glycero-α-D-manno-heptopyranoside

methyl L-glycero-α-D-manno-heptopyranosyl-(1->7)-L-glycero-α-D-manno-heptopyranoside