2,8-dimethyl-1,3,4,7,8,8a-hexahydroisoquinolin-6-one

2-(3-cyano-4,6-dimethyl-1H-pyridin-2-ylidene)propanedinitrile

6-hydroxy-8-phenyloct-2-en-4-one

1-hydroxy-1-phenylhex-4-en-3-one

4-methyl-5-nitrohexan-2-one