38327-22-9 Piperazine, 1-((2-(4-ethoxyphenyl)-5-oxo-1-phenyl-3-pyrrolidinyl)carbonyl)-, hydrochloride, cis-, hydrate (2:2:1) cis-Phenyl-1 oxo-2 piperazinocarbonyl-4 p-ethoxyphenyl-5 pyrrolidine chlorhydrate hemihydrate