1-Butanamine, N-butyl-N-(3-(4-(8-methylimidazo(1,2-a)pyridin-2-yl)phenoxy)propyl)-, monohydrochloride 2-(4-Dibutylaminopropoxyphenyl)-8-methylimidazo(1,2-a)pyridine hydrochloride EJ3800000 RWJ 20085