1,4-Benzenediamine, N,N'-dicyclohexyl- 3-13-00-00115 (Beilstein Handbook Reference) 4175-38-6 BRN 2811624 EINECS 224-041-0 N,N'-Dicyclohexyl-4-phenylenediamine N,N'-Dicyclohexyl-p-phenylenediamine UOP 26 p-Phenylenediamine, N,N'-dicyclohexyl-