2,2,3,3-tetramethyl-1,4-diphenylbutane-1,4-dione

1,1,2,2-四苯基乙烷

1,4,4-triphenyl-2,2-dimethyl-1-propanone

2,5,5-Trimethyl-4-phenyl-1,3-dioxolan-4-ol

2-Methyl-1-phenyl-2-(9-xanthyl)-1-propanon