Synonyms: o-Phenylenediamine,4-methoxy- (6CI,7CI,8CI);1,2-Diamino-4-methoxybenzene;3,4-Diaminoanisole;4-Methoxy-1,2-benzenediamine;4-Methoxy-1,2-diaminobenzene;4-Methoxy-1,2-phenylenediamine;4-Methoxy-2-aminoaniline;4-Methoxy-o-phenylenediamine;p-Methoxy-o-phenylenediamine;