Synonyms: 1,2-Benzenediamine,N-methyl- (9CI);o-Phenylenediamine, N-methyl- (6CI,7CI,8CI);2-(Methylamino)aniline;2-Amino-N-methylaniline;N-Methyl-1,2-benzenediamine;N-Methyl-1,2-diaminobenzene;N-Methyl-1,2-phenylenediamine;N-Methyl-o-diaminobenzene;N-Methyl-o-phenylenediamine;