3-hydroxy-3-phenyl-4,4,5,5-tetramethyl-1,2-dioxolane

4,5-dihydro-4,4-dimethyl-5-methylene-3-phenyl-1-p-toluoyl-1H-pyrazole

乙酸铅(IV)

乙酸酐

2-甲基-1-苯基-1,3-丁二酮