2,5-PIPERAZINEDIONE,(L,L),3,6-DIBENZYL 2,5-piperazinedione, 3,6-bis(phenylmethyl)- 2308-61-4 3,6-dibenzylpiperazine-2,5-dione InChI=1/C18H18N2O2/c21-17-15(11-13-7-3-1-4-8-13)19-18(22)16(20-17)12-14-9-5-2-6-10-14/h1-10,15-16H,11-12H2,(H,19,22)(H,20,21