2,3-bis(4-bromophenyl)quinoxaline

1-苯甲酰基哌啶

1-(4-溴苯甲酰基)哌啶

1-phenyl-2-[4-(2-phenylethynyl)phenyl]ethane-1,2-dione

2-(4-bromophenyl)-1,4-diphenylbut-2-ene-1,4-dione