| H-Gly-Pro-Ala-OH | C10H17N3O4 | 243.26 | 837-83-2 | H-Gly-Pro-Ala-OH | |
| H-Ile-Pro-OH | C11H20N2O3 | 228.29 | 37462-92-3 | H-Ile-Pro-OH | |
| C6H10N2O2 | 142.16 | 5845-61-4 | Cyclo(-Ala-Ala) | ||
| C6H10N2O2 | 142.16 | 23927-13-1 | Cyclo(-D-Ala-D-Ala) | ||
| C8H13N3O3 | 199.21 | 268221-76-7 | Cyclo(-Ala-Gln) | ||
| C8H12N2O4 | 200.19 | 16364-36-6 | Cyclo(-Ala-Glu) | ||
| C5H8N2O2 | 128.13 | 4526-77-6 | Cyclo(-Ala-Gly) | ||
| C9H12N4O2 | 208.22 | 54300-25-3 | Cyclo(-Ala-His) | ||
| C8H12N2O2 | 168.20 | 36238-64-9 | Cyclo(-D-Ala-Pro) | ||
| C6H10N2O3 | 158.16 | 155225-26-6 | Cyclo(-Ala-Ser) | ||
| C8H14N2O2 | 170.21 | 15136-27-3 | Cyclo(-D-Ala-Val) | ||
| C8H10N2O6 | 230.18 | 35309-53-6 | Cyclo(-Asp-Asp) | ||
| C6H8N2O4 | 172.14 | 52661-97-9 | Cyclo(-Asp-Gly) | ||
| C10H14N2O6 | 258.23 | 16691-00-2 | Cyclo(-Glu-Glu) | ||
| C7H11N3O3 | 185.18 | 52662-00-7 | Cyclo(-Gln-Gly) | ||
| C7H10N2O4 | 186.17 | 16364-35-5 | Cyclo(-Glu-Gly) | ||
| 2,5-Piperazinedione, Glycine anhydride, 2,5-Diketopiperazine | C4H6N2O2 | 114.10 | 106-57-0 | Cyclo(-Gly-Gly) | 2,5-二酮哌嗪,甘氨酸酐,Glycine anhydride |
| C8H10N4O2 | 194.19 | 15266-88-3 | Cyclo(-Gly-His) | ||
| C11H12N2O2 | 204.23 | 10125-07-2 | Cyclo(-Gly-Phe) | ||
| C7H10N2O2 | 154.17 | 3705-27-9 | Cyclo(-Gly-Pro) | ||
| C5H8N2O3 | 144.13 | 52661-98-0 | Cyclo(-Gly-Ser) | ||
| C13H13N3O2 | 243.27 | 7451-73-2 | Cyclo(-Gly-Trp) | ||
| C15H16N4O2 | 284.32 | 56586-95-9 | Cyclo(-His-Phe) | ||
| Morphine Tolerance Peptide | C8H14N2O2 | 170.21 | 5845-67-0 | Cyclo(-Gly-Leu) | |
| C15H20N2O2 | 260.34 | 7280-77-5 | Cyclo(-Leu-Phe) | ||
| C11H18N2O2 | 210.28 | 274680-11-4 | Cyclo(-D-Leu-D-Pro) | ||
| C11H18N2O2 | 210.28 | 2873-36-1 | Cyclo(-Leu-Pro) | ||
| C17H21N3O2 | 299.37 | 15136-34-2 | Cyclo(-Leu-Trp) | ||
| C10H18N2O2S2 | 262.40 | 73037-51-1 | Cyclo(-Met-Met) | ||
| C18H18N2O2 | 294.35 | 2862-51-3 | Cyclo(-Phe-Phe) | ||
