4-(Di-p-tolylamino)-4''-[di(p-tolylamino)styryl]biphenyl; 4''-[2-[4-[BIS(4-METHYLPHENYL)AMINO]PHENYL]ETHENYL]-N,N-BIS(4-METHYLPHENYL)-[1,1''-BIPHENYL]-4-AMINE; [1,1''-Biphenyl]-4-amine, 4''-[2-[4-[bis(4-methylphenyl)amino]phenyl]ethenyl]-N,N-bis(4-methylphe nyl)-
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