1,2-O-isopropylidene-5,6-O-methoxymethylidene-3-deoxy-D-erythro-3,4-hexofuranoside

1,2-O-isopropylidene-5,6-O-methoxymethylidene-3-deoxy-α-D-xylohexofuranose

6-Desoxy-1,2-O-isopropyliden-3-O-(4-methylphenylsulfonyl)-α-D-glucofuranose

5β-vinyl-4β-tosyl-2α,3α-O-isopropylidene tetrahydrofuran