(1E,4E)-1,5-Bis(4-nitrophenyl)penta-1,4-dien-3-one

6-nitro-2-[(E)-2-(4-nitrophenyl)ethenyl]-1H-quinazolin-4-one

3-butyl-2-[(3-butyl-4-methyl-1H-pyrrol-2-yl)-(4-nitrophenyl)methyl]-4-methyl-1H-pyrrole

6,8-dimethyl-3-(4-nitrophenyl)pyrimido[5,4-e][1,2,4]triazine-5,7-dione

1-methyl-4-[2-(4-nitrophenyl)ethenyl]pyridin-1-ium,iodide