2,5-PIPERAZINEDIONE, 3,6-DIBENZYL- 2,5-Piperazinedione, 3,6-bis(phenylmethyl)- (9CI) 2308-61-4 3,6-Dibenzyl-2,5-piperazinedione DIBENZYL-3, 6-DIOXO-2, 5-PIPERAZIN Dibenzyl-3,6-dione-2,5-piperazine NSC 2071