7-oxo-oct-5-enal

9-Oxo-2(E),7(E)-decadienenitrile

methyl (2E,7E)-9-oxoundeca-2,7-dienoate

[(1S,2S)-2-(2-Oxo-propyl)-cyclopentyl]-acetonitrile

trans-1-<2-(2-Oxopropyl)cyclopentyl>-2-propanone