Showing structure for 2-{[(2,3-dihydroxy-4-methanesulfonylphenyl)(hydroxy)methylidene]amino}-5-[({[(2,3-dihydroxyphenyl)(hydroxy)methylidene]amino}methanimidoyl)amino]-n-{[(1-hydroxy-2-oxopiperidin-3-yl)-c-hydroxycarbonimidoyl]methyl}pentanimidic acid