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(2007/10/02)N-<2-(3-benzyloxy-2-oxo-4-phenylazetidin-1-yl)propanoyl>-L-proline t-butyl ester
N-benzylidene-L-alanyl-L-proline t-butyl ester
benzaldehyde
N-<2-(3-benzyloxy-2-oxo-4-phenylazetidin-1-yl)propanoyl>-L-proline
(2S)-N-(2-hydroxy-3-phenylpropanoyl)-L-alanine-L-proline t-butyl ester