(2011/02/24)
4-((1S,2R)-2-methylcyclohexylamino)-6-nitropyrrolo[1,2-b]pyridazine-3-carboxamide
4-hydroxy-6-nitropyrrolo[1,2-b]pyridazine-3-carbonitrile
methyl 1-amino-4-nitro-1H-pyrrole-2-carboxylate
4-chloro-6-nitropyrrolo[1,2-b]pyridazine-3-carbonitrile
4-((1S,2R)-2-methylcyclohexylamino)-6-nitropyrrolo[1,2-b]pyridazine-3-carbonitrile