methyl 2,5-anhydro-2-chloro-3,4-O-isopropylidene-6-O-(4-methoxybenzyl)-β-D-ribo-2-hexulofuranosonate

(3aR,4S,6R,6aR)-4-Azido-6-(tert-butyl-dimethyl-silanyloxymethyl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxole-4-carbaldehyde

2-azido-6-O-tert-butyldimethylsilyl-2-deoxy-3,4-O-isopropylidene-β-D-ribo-hexulofuranosonamide

[5R-(5α,7β,8α,9α)]-8,9-isopropylidenedioxy-7-[4-(methoxybenzyloxy)methyl]-6-oxa-2-thioxo-1,3-diazaspiro[4.4]nonan-4-one