2-Phenyl-4-(4-phenyl-1-piperazinyl)bicyclo(3.3.1)nonan-9-one 4177-23-5 5-23-02-00227 (Beilstein Handbook Reference) BRN 0897800 Bicyclo(3.3.1)nonan-9-one, 2-phenyl-4-(4-phenyl-1-piperazinyl)-