1,3-Dioxol-2-one, 4-(1,1'-biphenyl)-4-yl-5-(2-(4-phenyl-1-piperazinyl)ethyl)-, dihydrochloride 4-(1,1'-Biphenyl)-4-yl-5-(2-(4-phenyl-1-piperazinyl)ethyl)-1,3-dioxol-2-one dihydrochloride 71923-21-2