Synonyms: (3s,6s)-3,6-dibenzylpiperazine-2,5-dione;53492-67-4;Cyclo(phenylalanyl-phenylalanyl);Cyclo(phe-phe);cyclo(L-Phe-L-Phe);AC1Q6FUY;AC1L2Q7M;CHEMBL126124;JUAPMRSLDANLAS-HOTGVXAUSA-N;KST-1A5495;2862-51-3;AR-1A4650;ZINC02038712;3CCD2E628264AC1545E617836BC83743;2,5-Piperazinedione, 3,6-bis(phenylmethyl)-, (3S-cis)-