1-Piperidinepropanamide, N-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)-, monohydrochloride 85564-97-2 N-(1,2,3,5,6,7-Hexahydro-s-indacen-4-yl)-1-piperidinepropanamide hydrochloride