(6R)-1,2:5,6-di-O-isopropylidene-6-(3-trimethylsilyl-prop-2-ynyl)-α-D-glucofuranose

(6R)-3-benzyloxyimino-1,2:5,6-di-O-isopropylidene-6-(prop-2-ynyl)-α-D-ribohexofuranose

(5S,6S,7R,8R,8aS)-5,6,7,8-tetrahydroxy-2-oxa-3-oxoindolizidine

5,6-diazido-5,6-dideoxy-1,2-O-isopropylidene-β-L-idofuranose