p. 2686 - 2689
(2007/10/03){(3R,4S)-3-[(S)-1-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyl]-2-oxo-4-phenyl-azetidin-1-yl}-acetic acid methyl ester
(S)-(9H-fluoren-9-yl)methyl (1-diazo-5-methyl-2-oxohexan-3-yl)carbamate
Fmoc-L-proline pentafluorophenyl ester
(E)-N-benzylideneglycine methyl ester