Synonyms: 1,4-Benzenediamine,N,N,N',N'-tetrakis[4-(dibutylamino)phenyl]- (9CI); p-Phenylenediamine, N,N,N',N'-tetrakis[p-(dibutylamino)phenyl]-(7CI,8CI); N,N,N',N'-Tetrakis(4-dibutylaminophenyl)-p-phenylenediamine;N,N,N',N'-Tetrakis[p-(dibutylamino)phenyl]-1,4-phenylenediamine;N,N,N',N'-Tetrakis[p-(dibutylamino)phenyl]-p-phenylenediamine; NIR-AM 1