1-Piperazineacetamide, 4-(5-oxo-5H-dibenzo(a,d)cyclohepten-10-yl)-N-phenyl- 4-(5-Oxo-5H-dibenzo(a,d)cyclohepten-10-yl-N-phenyl)-1-piperazineacetamide 56972-98-6 RMI 61239