L-Lysine, N6-((1,1-dimethylethoxy)carbonyl)-N2-(N-(N-(3-hydroxy-6-methyl-1-oxo-4-((N-(N-(1-(N2-(N2-((phenylmethoxy)carbonyl)-L-arginyl)-L-arginyl)-L-prolyl)-L-phenylalanyl)-L-histidyl)amino)heptyl)-L-isoleucyl)-L-histidyl)-, methyl ester, (S-(R*,R*))-