L-Glutamic acid, N-(L-2-(5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-3,4-dihydroxy-2-furanyl)-N-((3S,4S)-4-hydroxy-4-(5-hydroxy-2-pyridinyl)-L-valyl)glycyl)-, (2R-(2alpha,3beta,4beta,5alpha))-