[2-(2-Iodo-ethyl)-4-oxo-azetidin-1-yl]-acetic acid benzyl ester

Methyl 6-azido-2,3,4-tri-O-benzyl-6-deoxy-L-glycero-α-D-gluco-heptopyranosiduronic acid benzyl ester

(S)-Acetylamino-((2S,4S,5R,6S)-4,5-bis-benzyloxy-6-methoxy-tetrahydro-pyran-2-yl)-acetic acid benzyl ester

(R)-Acetylamino-((2S,4S,5R,6S)-4,5-bis-benzyloxy-6-methoxy-tetrahydro-pyran-2-yl)-acetic acid benzyl ester