1-methyl-4-(1-methyl-4-nitropyrrole-2-carboxamido)pyrrole-2-carboxylic acid

1-methyl-4-[(1-methyl-4-nitro-1H-pyrrole-2-carbonyl)amino]-1H-pyrrole-2-carboxylic acid methyl ester

N-(2-cyanoethyl)-1-methyl-4-nitropyrrole-2-carboxamide

3-(1-methyl-4-(1-methyl-4-(1-methyl-4-nitropyrrole-2-carboxamido)pyrrole-2-carboxamido)pyrrole-2-carboxamido)propionitrile

N-(3-amino-3-iminopropyl)-1-methyl-4-{[(1-methyl-4-{[(1-methyl-4-nitro-1H-pyrrol-2-yl)carbonyl]amino}-1H-pyrrol-2-yl)carbonyl]amino}-1H-pyrrole-2-carboxamide hydrochloride