2-bromo-1-phenylhexane-1,5-dione

phenacyl pent-4-enoate

hydroxy-oxo-(5-oxo-5-phenacyloxypentyl)phosphanium

3-methyl-5-phenacylidenefuran-2-one

2-benzoyl-3-hydroxy-4-methylcyclopenta-2,4-dien-1-one