CAS No 200074-80-2 , L-Leucine,glycyl-L-isoleucyl-L-prolyl-L-phenylalanyl-L-phenylalanyl-L-prolyl-L-valyl-L-histidyl-L-leucyl-L-lysyl-L-arginyl-L-leucyl-L-leucyl-L-isoleucyl-L-valyl-L-valyl-L-valyl-L-valyl-L-valyl-L-valyl-L-leucyl-L-isoleucyl-L-valyl-L-valyl-L-valyl-L-isoleucyl-L-valylglycyl-L-alanyl-L-leucyl-L-leucyl-L-isoleucylglycyl-