Showing structure for 2-({[3-(2-carbamimidamidoethyl)-4-(3-carbamimidamidopropyl)-2,4-dihydroxy-1-(1-{[2-(4-hydroxyphenyl)ethenyl]-c-hydroxycarbonimidoyl}ethyl)-5-oxopyrrolidin-2-yl](hydroxy)methylidene}amino)-n-[2-(4-hydroxyphenyl)ethenyl]propanimidic acid