3-(1-hydroxy-2-phenylethylidene)oxolane-2,4-dione

(2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-phenylacetate

2',4'-二羟基-2-苯基苯乙酮

3-氧代-4-苯基丁酸甲酯

二苯基乙酮