128050-89-5 Cyclo(flglfg) Cyclo(glycyl-D-leucyl-L-phenylalanylglycyl-L-phenylalanyl-L-leucyl)-, trihydrate Cyclo(phe-leu-gly-leu-phe-gly) Cyclo(phenylalanyl-leucyl-glycyl-leucyl-phenylalanyl-glycyl)