1H-Imidazole, 2,2′-[1,2-diazenediylbis(1-methylethylidene)]bis[4,5-dihydro-, hydrochloride (1:2)
2,2'-(Diazene-1,2-diyldiethane-1,1-diyl)bis-4,5-dihydro-1H-imidazole dihydrochloride
2,2'-[Diazenediyldi(propane-2,2-diyl)]di(4,5-dihydro-1H-imidazole)--hydrogen chloride (1/2)