| 1 | Dynorphin, Big (Porcine) |
| 2 | Dynorphin A (Porcine) |
| 3 | Dynorphin A 1-6 (Porcine) |
| 4 | Dynorphin A 1-13 (Porcine) |
| 5 | Dynorphin A 2-13 (Porcine) |
| 6 | Dynorphin A 2-17 (Porcine) |
| 7 | Dynorphin B/Rimorphin (Porcine) |
| 8 | Endorphin, Alpha-Neo (Porcine) |
| 9 | Endorphin, Beta-Neo |
| 10 | Nociceptin/Orphanin FQ (Ox, Mouse, Rat, Human) |
| 11 | Nocistatin-35 (Rat) |
| 12 | Orphanin FG/Nociceptin [Prepro (141-157)] |
| 13 | [Phe=Gly]-Orphanin FQ/Nociceptin 1-13-NH2 |
| 14 | Orphanin FQ (1-13)-NH2 |
| 15 | Nocistatin/PNP-3 (Bovine) |
| 16 | Nocistatin-30 (Human) |
| 17 | PNP-3-8P (Bovine) |
| 18 | Nocistaitn-41 (Mouse)/PNP-2/3 (Mouse) |
| 19 | Pro-Orphanin FQ (154-181) (Rat) |
| 20 | Amidorphin (Proenkephalin A 104-129-NH2) (Bovine) |
| 21 | BAM-18P |
| 22 | BAM-22P (Bovine) |
| 23 | CTOP (Somatostatin Analog ) |
| 24 | CTAP |
| 25 | DAGO |
| 26 | Enkephalin, [D-Ala2,D-Leu5] |
| 27 | Enkephalin, [D-Pen2,5] |
| 28 | Leu-Enkephalin |
| 29 | Delta-Receptor Peptide |
| 30 | DTLET |
| 31 | Met-Enkephalin |
| 32 | [Des-Tyr1]-Met-Enkephalin |
| 33 | Enkephalin-Arg, Met |
| 34 | Met-Enkephalin-Arg-Phe |
| 35 | Adrenorphin (Metorphinamide) |
| 36 | 3200-dalton Adrenal Peptide E (Bovine) |
| 37 | Thiorphan |
| 38 | Spinorphin (Bovine) |
| 39 | Kyotorphin |
| 40 | Morphiceptin |
| 41 | Morphiceptin, [N-MePhe3,D-Pro4] (PLO 17) |
| 42 | Endomorphin-1, (Tyr-Pro-Trp-Phe-NH2) |
| 43 | Endomorphin-2, (Tyr-Pro-Phe-Phe-NH2) |
| 44 | Deltorphin (Dermenkephalin ) (Phylomedusa sauvagei) |
| 45 | Deltorphin I, [D-Ala2] |
| 46 | Deltorphin II, [D-Ala2]Dermaseptin |
| 47 | Hemorphin-4 (H-4) (Bovine, Human) |
| 48 | TIPP |
| 49 | MIF-1,Tyr-Trp |
| 50 | MIF-1, Tyr |
| 51 | Casomorphin 1-5, Beta |
| 52 | Endorphin 1-26, Ac-Beta (Human) |
| 53 | Endorphin, Beta (Human) |
| 54 | Endorphin, (2-31) Beta (Human) |
| 55 | Endorphin 1-26, Beta (Human) |
| 56 | Endorphin 1-27, Beta (Human) |
| 57 | Endorphin, Beta (Rat) |
| 58 | Endorphin, Gamma (Beta-Lipotropin 61-77) |