(4-Nitro-phenyl)-quinolin-2-yl-cyanamide

5-methyl-2-(4-nitro-phenyl)-2H-pyrazole-3,4-dione-4-(4-nitro-phenylhydrazone)

3-{3-Methyl-4-[(4-nitro-phenyl)-hydrazono]-5-oxo-4,5-dihydro-pyrazol-1-yl}-N-naphthalen-2-yl-3-oxo-propionamide

4,5-Isoxazoledione, 3-methyl-, 4-[(4-nitrophenyl)hydrazone], (Z)-