Showing structure for 2-{[2-({2-amino-6-[(2-{[(2,3-dihydroxyphenyl)(hydroxy)methylidene]amino}-1-hydroxyethylidene)amino]-1-hydroxyhexylidene}amino)-6-{[(2,3-dihydroxyphenyl)(hydroxy)methylidene]amino}-1-hydroxyhexylidene]amino}-3-phenylpropanoic acid