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

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

2,5-anhydro-1-azido-1-deoxy-3,4-O-isopropylidene-6-O-mesyl-5-C-mesyloxymethyl-D-allitol