CAS No 154765-05-6 , L-Tyrosinamide,L-seryl-L-phenylalanylglycyl-L-cysteinyl-L-arginyl-L-phenylalanylglycyl-L-threonyl-L-cysteinyl-L-threonyl-L-valyl-L-glutaminyl-L-lysyl-L-leucyl-L-alanyl-L-histidyl-L-glutaminyl-L-isoleucyl-L-tyrosyl-L-glutaminyl-L-phenylalanyl-L-threonyl-L-a-aspartyl-L-lysyl-L-a-aspartyl-L-lysyl-L-a-aspartyl-L-asparaginyl-L-valyl-L-alanyl-L-prolyl-L-arginyl-L-seryl-L-lysyl-L-isoleucyl-L-seryl-L-prolyl-L-glutaminylglycyl-,cyclic (4®