ethyl 2-acetyl-3,4-di-O-benzyl-6-O-tert-butyldimethylsilyl-1-thio-α-D-mannopyranoside

3,4-di-O-benzyl-6-O-tert-butyldimethylsilyl-1,2-O-(1-methoxyethylidene)-β-D-mannopyranose

Phenyl 3,4,6-tri-O-benzyl-1-seleno-2-O-allyloxycarbonyl-α-D-mannopyranoside

(2'S,3'S) ethyl 2-O-chloroacetyl-3-O,4-O-[2',3'-dimethoxybutan-2',3'-diyl]-1-thio-α-D-mannopyranoside