2,3-O-(1-甲基乙亚基)-alpha-L-呋喃山梨糖

5-(tert-butoxycarbonylamino)-5-deoxy-6-O-methoxymethyl-D-glucose dimethyl acetal

methyl N-t-butyloxycarbonyl-O-benzyl-2,6-dideoxy-2,6-imino-α-D-mannofuranoside

(1S,5S,7S,8R)-benzyl 8-(benzyloxy)-7-methoxy-4-oxo-6-oxa-2-azabicyclo[3.2.1]octane-2-carboxylate

methyl N-benzyloxycarbonyl-3-O-benzyl-2,6-dideoxy-2,6-imino-β-L-gulofuranoside