methyl 2,5-dideoxy-2-C-methyl-α-D-arabinofuranoside

methyl-2,5-didesoxy-2-C-methyl-3-O-benzyl-α-D-arabinofuranoside

3-O-benzyl-2,5-dideoxy-2-C-methyl-β-D-arabinofuranose

methyl 3,5-dideoxy-3-C-methyl-α-D-xylofuranoside

1,2-O-isopropylidene-3-O-p-toluenesulphonyl-α-D-ribofuranose