isoleucine,aminocarbonyl,leucine
Leucine
667405-78-9L-Leucine,L-a-glutamyl-L-tyrosyl-L-isoleucyl-L-leucyl-L-seryl-L-leucyl-L-a-glutamyl-L-a-glutamyl-
667427-02-3L-Leucine,N-(2-hydroxy-3,4-dioxo-1-cyclobuten-1-yl)glycylglycyl-L-phenylalanyl-,phenylmethyl ester