Cyclo(-Gly-Phe)

(S)-3-(Phenylmethyl)-2,5-piperazinedione; L-3-Benzyl-2,5-piperazinedione; Cyclo(glycyl-L-phenylalanyl); (S)-2-Benzylpiperazine-3,6-dione; (S)-3-Benzyl-2,5-dioxopiperazine; (S)-3-Benzylpiperazine-2,5-dione; Cyclic glycylphenylalanine; Cyclic(glycylphenylalanyl); Cyclo(Gly-L-Phe); Cyclo(L-phenylalanylglycine); Cyclo(L-phenylalanylglycyl); Cyclo-glycyl-L-phenylalanine