L-Phenylalaninamide, N-acetyl-L-a-glutamyl-L-tryptophyl-L-phenylalanyl-L-lysyl-L-phenylalanyl-L- histidyl-L-tyrosyl-L-a-glutamyl-L-lysyl-L-valyl-L-alanyl-L-a-aspartyl-L-lysyl-L- phenylalanyl-L-lysy