L-Leucine,L-tryptophyl-L-tyrosyl-L-valyl-L-methionyl-L-valyl-L-threonyl-L-alanyl-L-alanyl-L-leucyl-L-seryl-L-tyrosyl-L-threonyl-L-isoleucyl-L-seryl-L-arginyl-L-methionyl-L-a-glutamyl-L-a-glutamyl-L-seryl-L-seryl-L-valyl-L-threonyl-
CAS No. 851053-11-7