6-allyl-6-ethyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine

1-((S)-2-Hydroxy-1-phenyl-ethyl)-piperidin-2-one

(2S,6S)-2-methyl-(3-oxoheptyl)piperidine

(3R)-3-allyl-3-ethyl-1-[(1S)-2-hydroxy-1-phenylethyl]-2-piperidone

(3S,5S)-5-methyl-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine