2,5-anhydro-1-tert-butoxycarbonylamino-6-C-cyano-1,6-dideoxy-4-O,5-C-methylene-D-allitol

2,5-anhydro-6-tert-butoxycarbonylamino-6-deoxy-2-C,3-O-methylene-L-allo-hexonic acid

(S)-2-((S)-2-{[(1S,3S,4S,5S)-3-(tert-Butoxycarbonylamino-methyl)-4-hydroxy-2,6-dioxa-bicyclo[3.2.0]heptane-1-carbonyl]-amino}-3-phenyl-propionylamino)-4-methyl-pentanoic acid methyl ester

2,5-anhydro-1-azido-1-deoxy-4-O,5-C-methylene-D-allitol

2,5-anhydro-1-azido-1-deoxy-6-O-mesyl-4-O,5-C-methylene-D-allitol