3-(((4,5-Dihydro-1H-imidazol-2-yl)methyl)(4-methylphenyl)amino)phenol hydrochloride 50-60-2 73-05-2 C-7337 EINECS 200-793-5 Phenol, 3-(((4,5-dihydro-1H-imidazol-2-yl)methyl)(4-methylphenyl)amino), monohydrochloride Phenol, m-(N-(2-imidazolin-2-ylmethyl)-p-toluidino)-, monohydrochloride (8CI) Phentolamine chloride Phentolamine hydrochloride Regitine hydrochloride m-(N-(2-Imidazolin-2-ylmethyl)-p-toluidino)phenol monohydrochloride