1,3,5-Triphenylformazan 531-52-2 Benzaldehyde, alpha-(phenylazo)-, phenylhydrazone Diazene, benzoylphenyl-, phenylhydrazone Diazene, phenyl(phenyl(phenylhydrazono)methyl)- Diimide, benzoylphenyl-, phenylhydrazone EINECS 208-509-1 Formazan, 1,3,5-triphenyl- (8CI)(9CI) Formazan, C,N,N'-triphenyl- NSC 2931 Toluene, alpha-(phenylazo)-alpha-(phenylhydrazono)-