2-nitro-toluene-4-sulfonic acid-(2,4-dinitro-anilide)

N,N'-bis-(2,4-dinitro-phenyl)-urea

α-(2,4-dinitro-anilino)-isobutyronitrile

1-(2,4-dinitrophenyl)-3-methylpyridin-1-ium,chloride

N'-(2,4-dinitro-phenyl)-N-methyl-N-nitro-urea