73303-58-9 VAAVP Val-asp-8-arg-vasopressin Valyl-aspartyl-8-arginine-vasopressin Vasopressin, N-(N-L-valyl-L-alpha-aspartyl)-8-L-arginine- Vasopressin, val-asp-arg(8)- Vasopressin, valyl-aspartyl-arginine(8)-