2-Azetidinone, 4-(acetyloxy)-3-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-, (3R,4R)-
2-Azetidinone, 4-(acetyloxy)-3-[1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-, [3R-[3α(R*),4β]]-
(3R,4R)-4-(Acetyloxy)-3-[(1R)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]-2-azetidinone
(1′R,3R,4R)-4-acetoxy-3-(1′-tert-butyldimethylsilyloxyethyl)-2-azetidinone
(3R,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidinone
Azetidon
(3R,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsiloxy)ethyl]azetidin-2-one
(3R,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone
(2R,3R)-3-((R)-1-(tert-Butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate