| [Lys8] Vasopressin | Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Lys-Gly-NH2(Disulfide bridge:Cys1-Cys6) | C46H65N13O12S2 | 1056.24 |
| [Arg8]-Vasopressin | Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-NH2 (Disulfide bridge:Cys1-Cys6) | C46H67N15O12S2 | 1086.25 |
| Biotin-(Arg8)-Vasopressin | Biotin-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-NH2 (Disulfide bridge:Cys1-Cys6) | C56H79N17O14S2 | 1310.55 |
| [Arg8]-Vasopressin (free acid) | Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly (Disulfide bridge:Cys1-Cys6) | C46H64N14O13S2 | 1085.24 |
| [Arg8,des-Gly-NH29]-Vasopressin | Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg (Disulfide bridge:Cys1-Cys6) | C44H61N13O12S2 | 1028.18 |
| [Arg8]-Vasopressin (4-9) | Gln-Asn-Cys-Pro-Arg-Gly-NH2 | C25H44N12O8S | 672.76 |
| Val-Asp-(Arg8)-Vasopressin | Val-Asp-Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-NH2 (Disulfide bridge: Cys3-Cys8) | C55H79N17O16S2 | 1298.48 |
| [Arg8]-Vasotocin | Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Arg-Gly-NH2(Disulfide bridge:Cys1-Cys6) | C43H67N15O12S2 | 1050.23 |
| [Lys8]-Vasotocin (free acid) | Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Lys-Gly (Disulfide bridge:Cys1-Cys6) | C43H66N12O13S2 | 1023.21 |