1H-Imidazol-2-amine, N-(2,3-dihydro-1H-inden-4-yl)-4,5-dihydro-, monohydrochloride 40507-78-6 56601-85-5 Indanazoline hydrochloride N-(2-Imidazolin-2-yl)-N-(4-indanyl)amine monohydrochloride