2-氨基-6-硝基苯并咪唑

5-硝基-2,1,3-苯并噻二唑

9-nitro-7,12-dihydroacenaphthyleno[1,2-b]quinoxaline

2-nitro-6H-indolo[2,3-b]quinoxaline

3-nitro-6H-indolo[3,2-b]quinoxaline