1-Piperazineacetamide, N-(1-(4-cyclopentylphenyl)ethyl)-N,4-dimethyl-, hydrochloride, hydrate (1:2:1) 80649-57-6 N-(1-(4-Cyclopentylphenyl)ethyl)-N,4-dimethyl-1-piperazineacetamide dihydrochloride hydrate N-(1-(4-Cyclopentylphenyl)ethyl)-N-methyl-(4-methylpiperazino)acetamide dihydrochloride H2O