for the following products
4-(Phenylamino)benzonitrile | bis-(Biphenyl-4-yl)-(4-bromo-phenyl)amine | N-[1,1'-Biphenyl]-4-yl-N-(4-bromophenyl)-[1,1'-biphenyl]-4-amine | [1,1'-Biphenyl]-4-amine,N-[1,1'-biphenyl]-4-yl-N-(4-bromophenyl)- and N-(4-Bromophenyl)-N,N-bis(1,1-biphenyl-4-yl)amine
