154721-67-2 D-Leucinamide, N-(3-carboxy-1-oxopropyl)-L-valyl-D-leucyl-L-prolyl-L-phenylalanyl-L-phenylalanyl-L-valyl- Succinyl-val-dleu-pro-phe-phe-val-dleu-NH2 Succinyl-valyl-leucyl-prolyl-phenylalanyl-phenylalanyl-valyl-leucinamide Succinyl-vlpffvl-NH2