L-Ornithine, N2-acetyl-N5-hydroxy-N5-(5-hydroxy-3-methyl-1-oxo-2-pentenyl)-, 5-((3-(5-(3-(acetylhydroxyamino)propyl)-3,6-dioxo-2-piperazinyl)propyl)hydroxyamino)-3-methyl-5-oxo-3-pentenyl ester, (2S-(2alpha(E(E)),5alpha))-