Velmupressin (c(Bua-Cpa-Thi-Val-Asn-Cys)-Pro-d-Arg-NEt2) acetate is a potent, selective and short-acting peptidic V2 receptor (V2R) agonist with EC50s of 0.07 and 0.02 nM for hV2R and rV2R, respectively[1].
References
[1] Winiewski K, et al. Discovery of Potent, Selective, and Short-Acting Peptidic V2 Receptor Agonists. J Med Chem. 2019 May 23;62(10):4991-5005. DOI:10.1021/acs.jmedchem.9b00132