1-Piperidineacetamide, N-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)-alpha-methyl-, monohydrochloride 85564-90-5 N-(1,2,3,5,6,7-Hexahydro-s-indacen-4-yl)-alpha-methyl-1-piperidineacetamide hydrochloride N-(s-Hydrindacen-4-yl)-2-piperidinopropionamide hydrochloride