N-phenyl-1,2-benzenediamine, ORTHO-AMINODIPHENYLAMINE, N-phenyl-n-phenylenediamine, n-phenyl-2-benzenediamine, N1-Phenylbenzene-1,2-diamine, N-phenylphenylene-1,2-diamine, 1,2-Benzenediamine, N-phenyl-, o-Semidine, N-phenyl-para-phenylenediamine, O-AMINODIPHENYLAMINE, N-phenyl-1,2-phenylenediamine, N-Phenyl-o-phenylenediamine, N-Phenyl-2-aminoaniline, mono-N-phenyl-o-phenylenediamine