5-(4-chlorophenyl)furan-2,3-dione

1-(4-氯-苯基)-4-苯基-1,4-丁二酮

1-(4-氯苯基)-2-[(4-甲基苯基)磺酰基]乙酮

2-(4-chlorophenyl)-6-phenylpyran-4-one