1,4-Benzenediamine, N1-(4-methoxyphenyl)-; 4-Amino-4'-methoxydiphenylamine; N-(4-methoxyphenyl)-1,4-phenylenediamine; N-(p-Methoxyphenyl)-p-phenylenediamine; Variamine blue base; N-(4-Aminophenyl)-p-anisidine; 4-Methoxy-4'-aminodiphenylamine; 4-(4-Methoxyphenylamino)aniline; (4-aminophenyl)-(4-methoxyphenyl)amine; Variamine Blue B Base