methyl 2-deoxy-αβ-D-threo-pentafuranoside

methyl 2-deoxy-3,5-O-isopropylidene-αβ-D-threo-pentafuranoside

methyl 3,5-O-isopropylidene-2-O-<(methylthio)-thiocarbonyl>-α-D-xylofuranoside

methyl 3-azido-2,3-dideoxy-5-O-tert-butyldiphenylsilyl-α,β-D-erythro-pentofuranoside

(2R,3R)-2-(((tert-butyldiphenylsilyl)oxy)methyl)-5-methoxytetrahydrofuran-3-yl trifluoromethanesulfonate