Synonyms: 1,4-Benzenediamine, N-(1,3-dimethylbutyl)-N-phenyl-, reaction products with ethylene oxide mono(C12-rich C10-13-branched alkyl)thiomethyl derivs.;N-(1,3-Dimethylbutyl)-N'-phenyl-1,4-benzenediamine reaction products with ethylene oxide mono[[((C=12)-rich, (C=10~13)-branched alkyl)thio]methyl] derives.