4-[Bis(2-cyanoethyl)amino]benzaldehyde

4-(N, N-Dicyanoethylamino) benzaldehyde

4-[N,N-Di(2-cyanoethyl)amino]benzaldehyde

3,3'-(4-formylphenylimino)dipropionitrile

3,3'-[(4-formylphenyl)imino]bispropiononitrile