1,4-Benzenediamine, N,N'-diphenyl- 1,4-Bis(phenylamino)benzene 1,4-Dianilinobenzene 4,4'-Diphenyl-p-phenylenediamine 4-Phenylaminodiphenylamine 74-31-7 Agerite Agerite DPPD Altofane DIP DPPD Diafen FF Diphenyl-p-phenylenediamine Flexamine G JZF N,N'-Difenyl-p-fenylendiamin N,N'-Diphenyl-1,4-phenylenediamine N,N'-Diphenyl-p-phenylenediamine NSC5761 Nonflex H Nonox DPPD Permanax 18 Stabilizer DPPD Usaf gy-2 WLN: RMR DMR p-Phenylaminodiphenylamine p-Phenylenediamine, N,N'-diphenyl-