L-tyrosine, N-(1-(N-(4-((3-hydroxy-5-methyl-4-((N-(N-methyl-D-leucyl)-L-threonyl)amino)-1-oxoheptyl)oxy)-2,5-dimethyl-1,3-dioxohexyl)-L-leucyl)-L-prolyl)-N,O-dimethyl-, phi-lactone, (3S-(1(2R*,4R*),3R*,4S*,5R*))-