2,6-Dichloro-N1-(2-imidazolidinylidene)-1,4-benzenediamine; 2,6-Dichloro-N1-(4,5-dihydro-1H-imidazol-2-yl)benzene-1,4-diamine; 2-(4-Amino-2,6-dichlorophenylamino)-2-imidazoline.,1,4-Benzenediamine, 2,6-dichloro-N1-(4,5-dihydro-1H-imidazol-2-yl)- (9CI, ACI),Apraclonidine