1-[4-[[4-(2-oxo-2-phenylacetyl)phenyl]methyl]phenyl]-2-phenylethane-1,2-dione

2,2-二苯基丙二酸

ethyl phenylsulfonate

1,3-diphenylprop-2-ynylbenzene

2-(2,2-diphenylethyl)oxirane