2,3,4,6-tetra-O-acetyl-1,5-anhydro-D-arabinohex-1-enopyranose
t-butyl-6-O-acetyl-3,4-dideoxy-4-C-vinyl-3-C-(methoxycarbonylmethyl)-α-D-lyxo-hexopyran-2-uloside
((2S,3R,4R,6R)-2-Acetoxymethyl-6-tert-butoxy-5-oxo-3-vinyl-tetrahydro-pyran-4-yl)-acetic acid methyl ester
tert-butyl 2,4,6-tri-O-acetyl-3-deoxy-α-D-erythro-hex-2-enopyranoside
tert-butyl 6-O-acetyl-3,4-dideoxy-α-D-glycero-hex-3-enopyranosid-2-ulose