[1,1'-Biphenyl]-4,4'-diamine,N4,N4,N4',N4'-tetrakis[4-(4-pyridinyl)phenyl]-

[1,1'-Biphenyl]-4,4'-diamine,N4,N4,N4',N4'-tetrakis[4-(4-pyridinyl)phenyl]- · CAS 1471200-74-4