1-methyl-3-phenylpyrazol-4-yl phenyl ketone

7,8-二氢-1H,6H-喹啉-2,5-二酮

1-phenyl-6,7-dihydro-5H-indazol-4-one

1-苄基-6,7-二氢-1氢-吲哚-4(5氢)-酮

6,7-二氢-1,2-苯异噁唑-4(5h)-酮