L-Phenylalanine, L-a-aspartyl-L-arginyl-L-tyrosyl-L-leucyl-L-seryl-L-leucyl-L-tyrosyl-L-tyrosyl-L -alanyl-L-leucyl-L-threonyl-L-tyrosyl-L-histidyl-L-seryl-L-a-glutamyl-L-arginyl -L-threonyl-L-valyl