[1,1′-Biphenyl]-4,4′-diamine, N4,N4-bis(4′-amino[1,1′-biphenyl]-4-yl)-

[1,1′-Biphenyl]-4,4′-diamine, N4,N4-bis(4′-amino[1,1′-biphenyl]-4-yl)- · CAS 2607105-89-3