D[Cha4]-AVP

Potent and selective human vasopressin V1B receptor agonist (Ki values are 1.2, 151, 240 and 750 nM for V1B, V1A, Oxytocin and V2 receptors respectively) . Stimulates ACTH and corticosterone secretion and exhibits negligible vasopressor activity in vivo.

C(=O)(N1[C@H](C(N[C@@H](CCCNC(=N)N)C(NCC(N)=O)=O)=O)CCC1)[C@H]2NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CC3CCCCC3)NC(=O)[C@H](CC4=CC=CC=C4)NC(=O)[C@H](CC5=CC=C(O)C=C5)NC(=O)CCSSC2