(Benzyl-4 dioxo-2,6 piperidino)-2 N-ethyl N-phenyl acetamide [French] 1-Piperidineacetamide, 2,6-dioxo-N-ethyl-N-phenyl-4-(phenylmethyl)- 2,6-Dioxo-N-ethyl-N-phenyl-4-(phenylmethyl)-1-piperidineacetamide 91-89 R & C TM3507552