2-hydroxy-2-(2-oxo-2-phenylethyl)-1H-indene-1,3(2H)-dione

3-phenyl-1,4-dihydro-5H-indeno[1,2-c]pyridazin-5-one

1,3-茚满二酮

2-phenylacylindan-1,3-dione

2-溴苯乙酮