(4-nitro-phenyl)-glyoxal-2-(triphenylphosphoranylidene-hydrazone)

1-(4-nitrophenyl)-2-(triphenyl-λ⁵-phosphanylidene)ethanone

N-(2-oxo-2-(p-nitrophenyl)ethoxy)phthalimide

Quinoxaline, 1,2-dihydro-3-(4-nitrophenyl)-1-(phenylmethyl)-2-propoxy-

1-(4-nitrobenzyl)-3-(4-nitrophenyl)-2-propoxy-1,2-dihydroquinoxaline