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(2007/10/02)(S)-Nα-(benzyloxycarbonyl)serine hydroxamic acid
ethyl acetate
N-benzyloxycarbonyl-L-serine methyl ester
2-oxo-3-(Cbz-amino)-1-azetidinyl sulfate tetra n-butyl ammonium salt
Acetic acid (S)-2-oxo-3-phenylacetylamino-azetidin-1-yl ester
benzyl N-[(3S)-2-oxoazetidin-3-yl]carbamate
(3S)-1-hydroxy-3-[[[(phenylmethyl)oxy]carbonyl]amino]-2-azetidinone
N-acetoxy-3-(Cbz-amino)-2-azetidinone