L-Phenylalaninamide, N-acetyl-L-a-glutamyl-L-lysyl-L-cysteinyl-L-valyl-L-a-glutamyl-L-a-aspartyl- L-phenylalanyl-L-lysyl-L-seryl-L-leucyl-L-threonyl-L-seryl-L-cysteinyl-L-leucyl- L-a-aspartyl-L-ser