5-Nitro-1H-benzo[d]imidazol-2(3H)-one
4-Nitro-1H-benzo[d]imidazol-2(3H)-one
1,3-Dimethyl-5-nitro-1H-benzo[d]imidazol-2(3H)-one
2-Methyl-4-nitro-1H-benzo[d]imidazole
