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

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

(R)-1-[(S)-1-(2-Methoxy-phenyl)-ethyl]-5-(4-oxo-heptyl)-pyrrolidin-2-one

(S)-1-[(S)-1-(2-Methoxy-phenyl)-ethyl]-5-((E)-4-oxo-hept-2-enyl)-pyrrolidin-2-one

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