(2-1')-Disulfide 6-cys-argipressin (5-8) 101531-76-4 Arginine vasopressin (5-8), (2-1')-disulfide cys(6)- Argipressin (5-8), (2-1')-disulfide cys(6)- Argipressin (5-8), (2-1')-disulfide cysteine(6)- Cyt(6)-avp(5-8)