(+)-(αS,2R,5R)-α-Amino-2-(2,5-dihydro-5-methyl)furan-2-acetic acid

methyl 3,6-anhydro-2-azido-2,7-dideoxy-D-glycero-D-altro-heptonamide

3,6-anhydro-7-deoxy-4,5-O-isopropylidene-D-glycero-D-allo-heptonamide

3,6-anhydro-2-azido-2,7-dideoxy-4,5-O-isopropylidene-D-glycero-D-altro-heptonamide