N,N,N',N'-Tetraphenylbenzidine
Tetraphenylbenzidine; N,N,N1,N1-Tetraphenylbenzidine; (1,1'-Biphenyl)-4,4'-diamine, N,N,N',N'-tetraphenyl-; (1,1'-Biphenyl)-4,4'-diamine, N4,N4,N4',N4'-tetraphenyl-; N,N,N',N'-Tetraphenyl(1,1'-biphenyl)-4,4'-diamine; N,N,N',N'-tetraphenylbiphenyl-4,4'-diamine; 4,4'-BIS(DIPHENYLAMINO)BIPHENYL