Showing structure for n-[3-(n-{4-[(3-{[1-hydroxy-3-(4-hydroxy-3-methoxyphenyl)prop-2-en-1-ylidene]amino}propyl)amino]butyl}-3-(4-hydroxyphenyl)prop-2-enamido)propyl]-3-(4-hydroxy-3-methoxyphenyl)prop-2-enimidic acid