2-[(4-anilinophenyl)methyl]-N-phenylaniline

N,N'-diphenyl-4,4'-diaminodiphenylmethane

N,N'-diphenyl-2,2'-diaminodiphenylmethane

4,4'-bis(4-N-phenylaminobenzyl)diphenylamine

1,2,4,5-Tetraphosphorinane, 1,2,4,5-tetraphenyl-