Synonyms: 2,5-Piperazinedione,3-methyl-, (S)-; 2,5-Piperazinedione, 3-methyl-, L- (6CI,7CI,8CI);Cyclo(L-alanylglycyl) (8CI); Alanine, cyclic anhydride with glycine;Cyclo(Gly-L-Ala); Cyclo(alanylglycine); Cyclo(glycylalanine); N-Glycylalanine,cyclic anhydride