N1,N4-Diphenylbenzene-1,4-diamineN,N'-DIPHENYL-p-PHENYLENEDIAMINEN,N'-Diphenyl-1,4-phenylenediamineN,N′-二苯基-对苯二胺N,N′-Diphenyl-p-phenylenediamineN,N′-Diphenyl-1,4-phenylenediamineN,N′-二苯基-1,4-苯二胺N,N'-二苯基对苯二胺N,N'-Diphenyl-p-phenylenediamine4-phenylaminodiphenylamine1,4-dianilinobenzeneDPPDdiphenyl-p-phenylenediamine4,4'-diphenyl-p-phenylenediamineN,N'-diphenyl-1,4-diaminobenzene1,4-bis(phenylamino)benzeneN,N'-diphenyl-p-phenylenediamineN,N'-diphenyl-1,4-benzenediaminep-bis(phenylamino)benzeneN,N'-diphenyl-1,4-phenylenediaminep-phenylaminodiphenylamine