Showing structure for 2-({[(5s,6s)-5-[(5-amino-3,4-dihydroxy-6-methyloxan-2-yl)oxy]-1,6,9,14-tetrahydroxy-11-methoxy-3-methyl-8,13-dioxo-5h,6h-naphtho[1,2-b]anthracen-2-yl](hydroxy)methylidene}amino)propanoic acid