CAS No 869705-22-6 , L-Leucinamide,L-phenylalanyl-L-asparaginyl-L-alanyl-L-prolyl-L-phenylalanyl-L-a-aspartyl-L-valylglycyl-L-isoleucyl-L-lysyl-L-leucyl-L-serylglycyl-L-alanyl-L-glutaminyl-L-tyrosyl-L-glutaminyl-L-glutaminyl-L-histidylglycyl-L-arginyl-L-alanyl-