(S)-5-Allyl-1-[(S)-1-(2-hydroxy-phenyl)-ethyl]-pyrrolidin-2-one

diethyl (2-oxooctyl)phosphonate

{(S)-1-[(S)-1-(2-Methoxy-phenyl)-ethyl]-5-oxo-pyrrolidin-2-yl}-acetaldehyde

(3aR,9S)-9-Methyl-3,3a-dihydro-2H,9H-benzo[e]pyrrolo[2,1-b][1,3]oxazin-1-one

1-[(S)-1-(2-Hydroxy-phenyl)-ethyl]-pyrrolidine-2,5-dione