1,4-piperazinediethanol, alpha,alpha'-diphenyl-, dibenzoate (ester) InChI=1/C34H34N2O4/c37-33(29-17-9-3-10-18-29)39-31(27-13-5-1-6-14-27)25-35-21-23-36(24-22-35)26-32(28-15-7-2-8-16-28)40-34(38)30-19-11-4-12-20-30/h1-20,31-32H,21-26H PIPERAZINE,1,4-BIS-(BETA-PHENYL,BETA-BENZOYLOXYETHYL) piperazine-1,4-diylbis-1-phenylethane-2,1-diyl dibenzoate