16691-00-2，cyclo(Glu-Glu)，L-glutamic acid dimer，cyclo-(glutamyl-glutamyl)
英文名：cyclo(Glu-Glu)L-glutamicaciddimer2,5-Piperazinedipropanoicacid,3,6-dioxo-,(2S,5S)cyclo(L-Glu-L-Glu)2,5-Piperazinedipropanoicacid,3,6-dioxo-,(2S-cis)cyclo-(glutamyl-glutamyl)2,5-Piperazinedipropion