38160-37-1 Piperazine, 1-((5-oxo-1,2-diphenyl-3-pyrrolidinyl)carbonyl)-, monohydrochloride, cis- cis-1-((5-Oxo-1,2-diphenyl-3-pyrrolidinyl)carbonyl)piperazine monohydrochloride cis-Diphenyl-1,5 oxo-2 piperazinocarbonyl-4 pyrrolidine chlorhydrate [French]