Showing structure for 2-[(2-{[(4-chloro-2,3-dihydroxyphenyl)(hydroxy)methylidene]amino}-5-[({[(4-chloro-2,3-dihydroxyphenyl)(hydroxy)methylidene]amino}methanimidoyl)amino]-1-hydroxypentylidene)amino]-5-(n-hydroxyformamido)pentanoic acid