Synonyms:
n4,n4,n4',n4'-tetra-p-tolyl-[1,1'-biphenyl]-4,4'-diamine ; tmtpd ; n,n,n',n'-tetrakis(4-methylphenyl)-benzidine ; tm-tpb ; tp-tpd ; n,n,n'',n''-tetrakis (4-methylphenyl)-benzidiene ; n,n,n',n'-tetra (4-methylphenyl)-benzidine ; n,n,n',n'-tetra(p-tolyl)benzidine ; n4, n4'-diphenyl-n4,n4'-di p-tolyl phenyl-4,4'-diamine ; n,n,n',n'-tetrakis(p-tolyl)benzidine