Synonyms: 1,4-Benzenediamine,N,N,N',N'-tetrakis(4-aminophenyl)- (9CI);p-Phenylenediamine,N,N,N',N'-tetrakis(p-aminophenyl)- (7CI,8CI);N,N,N',N'-Tetrakis(4-aminophenyl)-1,4-phenylenediamine;N,N,N',N'-Tetrakis(4-aminophenyl)-p-phenylenediamine;N,N,N',N'-Tetrakis(p-aminophenyl)-p-phenylenediamine;