1,4-Benzenediamine,N-(4-methoxyphenyl)-, monohydrochloride (9CI); Variamine Blue (6CI); p-Phenylenediamine,N-(p-methoxyphenyl)-, monohydrochloride (8CI); 4-Amino-4'-methoxydiphenylaminemonohydrochloride; N-(4-Methoxyphenyl)-p-phenylenediamine monohydrochloride;Variamine Blue B hydrochloride