Methyl 4-O-benzyl-6-O-tert-butyldiphenylsilyl-2,3-di-O-isopropylidene-α-D-mannopyranoside

ethyl 2,3,4-tri-O-benzyl-6-O-chloroacetyl-1-thio-α-D-galactopyranoside

Methanesulfonic acid 7-trityloxy-heptyl ester

(2R,3R,4S,5R,6R)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-6-ethylsulfanyl-tetrahydro-pyran-3,4,5-triol

ethyl 2,3,4-tri-O-benzyl-6-O-(7'-trityloxyheptyl)-1-thio-α-D-galactopyranoside