Methyl 2-deoxy-α-L-arabino-hexopyranoside 3,6-di-p-toluenesulfonate

Methyl 2-deoxy-α-L-arabino-hexopyranoside 6-p-toluenesulfonate

methyl 2,6-dideoxy-4-O-methoxymethyl-α-L-ribo-hexopyranoside

methyl 2,6-dideoxy-3-O-methanesulphonyl-4-O-methoxymethyl-α-L-ribo-hexopyranoside