3,3-dimethyl-4-phenyl-6-propan-2-yl-4H-pyran-2-one

2,2-dimethyl-5-phenylcyclohexane-1,3-dione

diethyl 2-(4-methyl-3-oxo-1-phenylpentyl)propanedioate

4-甲基-1-苯基-3-戊酮