1,2-Diamino-4-ethylbenzene; 3,4-Diamino-1-methylbenzene; 4-Methyl-1,2-phenylenediamine; 3,4-Diaminotoluene; 3,4-toluenediamine(toxicliquids,organic,n.o.s.); 1,2-Benzenediamine, 4-methyl-; Toluene-3,4-diamine; 4-Methyl-o-phenylenediamine; 1,2-diamion-4-methylbenzene; OTD; 4-Methyl-1,2-diaminobenzene; 4-Methyl-1,2-phenylenediamine 4-Methyl-o-phenylenediamine; 2-Benzenediamine,4-methyl-1; 3,4-Toluenediamine; 3,4-Toluylenediamine; NSC 1495; 4-Methylbenzene-1,2-diamine; Toluene-3,4-diamine (INCI); 1,2-benzenediamine,-methyl-; 1,2-Diamino-4-methylbenzene; 3,4-Tolylenediamine; o-Toluenediamine 3,4-Toluylenediamine; 4-Methyl-1,2-benzenediamine