N-butyl-1-methyl-4-(1-methyl-4-nitropyrrole-2-carboxamido)pyrrole-2-carboxamide

2-氟-6-硝基苯甲醛

6-(butylamino)-1H-pyrimidine-2,4-dione

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