methyl 2,3-anhydro-α-D-lyxofuranoside
mono-4-methoxytrityl chloride
methyl-3-deoxy-3-azido-5-O-para-monomethoxytrityl-α-D-arabinofuranose
methyl 3-azido-3-deoxy-α-D-arabinofuranoside
methyl-3-deoxy-3-azido-5-O-para-monomethoxytrityl-2-mesyloxy-α-D-arabinofuranose