6-羟基-2-苯基-3-哒酮

4-羟基-1-苯基吡唑并[3,4-D]嘧啶

11H-苯并[C]咔唑

5-methyl-1-phenyl-1,2-dihydro-pyrazol-3-one

N-苯基苯羰基亚肼酰氯