1,3,5-Triphenylformazan 531-52-2 Benzaldehyde, .alpha.-(phenylazo)-, phenylhydrazone Diazene, benzoylphenyl-, phenylhydrazone Diimide, benzoylphenyl-, phenylhydrazone Formazan, 1,3,5-triphenyl- Formazan, C,N,N'-triphenyl- NSC56467 Toluene, .alpha.-(phenylazo)-.alpha.-(phenylhydrazono)-