115026-45-4
(3S,4S)-4-[(S)-1-benzyloxyethyl]-3-[(R)-(1-t-butyldimethylsilyloxy)ethyl]-2-azetidinone
→
~99%
115075-47-3
(3S,4S)-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-4-[(S)-1-hydroxyethyl]-2-azetidinone