(E)-ethyl 3-((2R,3S,5S,6R)-6-(((tert-butyldimethylsilyl)oxy)methyl)-5-hydroxy-3-methyltetrahydro-2H-pyran-2-yl)acrylate

ethyl 3-((2S,3S,5S,6R)-6-(((tert-butyldimethylsilyl)oxy)methyl)-5-hydroxy-3-methyltetrahydro-2H-pyran-2-yl)propanoate

ethyl 3-((2S,3S,5S,6R)-5-((tert-butyldimethylsilyl)oxy)-6-(((tert-butyldimethylsilyl)oxy)methyl)-3-methyltetrahydro-2H-pyran-2-yl)propanoate

ethyl 3-((2S,3S,5S,6R)-5-((tert-butyldimethylsilyl)oxy)-6-(hydroxymethyl)-3-methyltetrahydro-2H-pyran-2-yl)propanoate

ethyl 3-((2S,3S,5S,6R)-6-(azidomethyl)-5-((tert-butyldimethylsilyl)oxy)-3-methyltetrahydro-2H-pyran-2-yl)propanoate