... N'-tetrakis(4-aminophenyl)-; N,N,N',N'-Tetra(p-aminophenyl)-p-phenylenediamine, etc. . UCHEM has been studying and developing ... warehouse. N,N,N',N'-Tetrakis(4-nitrophenyl)-p-phenylenediamine CAS:3283-05-4 N,N,N',N'-tetrakis ... [4-[bis(2-methylpropyl)amino]phenyl]-1,4-benzenediamine CAS:485831- ... to make) 4,4'-Dimethoxydiphenylamine CAS: 101-70-2 o-Dimethoxybenzidine CAS: 119-90-4