3-(4-硝基-苯基)-2,4-戊二酮

3,6-dimethyl-2-(4-nitrophenyl)-3H-pyridazine

6-(4-nitrophenyl)-2,3,4,6a,7,8,9,10-octahydro-1H-benzo[c]cinnoline

2-(4-nitrophenyl)-3,6-diphenyl-3H-pyridazine

4,5-dimethyl-2-(4-nitrophenyl)-3,6-diphenyl-3H-pyridazine