(10-Butyl-6-nitro-2,4-dioxo-4,10-dihydro-2H-pyrimido[4,5-b]quinolin-3-yl)-acetic acid tert-butyl ester

N-[5-(butylcarbamoyl)-1-methylpyrrol-3-yl]-4-[[2-(10-butyl-6-nitro-2,4-dioxopyrimido[4,5-b]quinolin-3-yl)acetyl]amino]-1-methylpyrrole-2-carboxamide

N-[5-[[5-(butylcarbamoyl)-1-methylpyrrol-3-yl]carbamoyl]-1-methylpyrrol-3-yl]-4-[[2-(10-butyl-6-nitro-2,4-dioxopyrimido[4,5-b]quinolin-3-yl)acetyl]amino]-1-methylpyrrole-2-carboxamide