2-二氮杂-1-苯乙酮

3-(4-nitrophenyl)-5-phenyl-1,2-oxazole

3-phenyl-5-p-nitrophenylisoxazole

4-(4-nitrophenyl)-2-phenyl-3H-1,5-benzodiazepine

2-Diazo-1-[4-nitrophenyl]-ethanone