3-hydroxy-3-methyl-2-butanone benzoate ester

2,2-二甲基-5-苯基二氢-3(2H)-呋喃酮

3-acetoxy-2,2-dimethyl-5-phenyl-2,5-dihydrofuran

1-phenyl-4-hydroxy-4-methylpent-2-yn-1-one

4-methyl-1-phenyl-4-(trimethylsiloxy)-1,3-pentanedione