methyl,norleucine,leucine
Leucine
136671-79-9L-Isoleucine,L-seryl-L-tyrosyl-L-valyl-L-prolyl-L-seryl-L-alanyl-L-a-glutamyl-L-glutaminyl-
656223-74-4L-Leucine,L-isoleucyl-L-leucyl-L-alanyl-L-threonyl-L-phenylalanyl-L-leucyl-L-phenylalanyl-L-tryptophyl-