5,6-二氢-[1,1’-联苯]-3(4H)-酮

1,3-环己二酮

3-乙氧基-2-环己烯-1-酮

2-oxo-4-phenyl-cyclohex-3-enecarboxylic acid ethyl ester

1-苯基-2-丙烯基-1-酮