863648-49-1

L-Threonine, N-[(phenylmethoxy)carbonyl]-L-isoleucyl-L-a-glutamyl-,2-(1,1-dimethylethyl) ester,3-[2-[2-(1,1-dimethylethoxy)-2-oxoethyl]-2-[(2E)-4-[methyl(2-phenylethyl)amino]-1,4-dioxo-2-butenyl]hydrazide]