label: N,N'-(5-((1-(5-acetyl-4-hydroxy-2,6-dioxo-2H-pyran-3(6H)-ylidene)ethyl)amino)-1,3-phenylene)bis(2,3-dihydroxypropanamide)
label_lc: n,n'-(5-((1-(5-acetyl-4-hydroxy-2,6-dioxo-2h-pyran-3(6h)-ylidene)ethyl)amino)-1,3-phenylene)bis(2,3-dihydroxypropanamide)