2,5-anhydro-1,3,4,6-tetradeoxy-6-<<(phenylmethoxy)carbonyl>amino>-D-xylo-hept-3-enitol

[(S)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-oxo-ethyl]-carbamic acid benzyl ester

(S)-Benzyloxycarbonylamino-((2R,5S)-5-methyl-2,5-dihydro-furan-2-yl)-acetic acid

[(R)-1-((2R,5S)-5-Methyl-2,5-dihydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester

[(R)-1-((2S,3R,5S)-3-Iodo-5-methyl-tetrahydro-furan-2-yl)-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethyl]-carbamic acid benzyl ester