IUPAC: methyl 7,8-dihydroxy-6-(2-{8-hydroxy-5,7-dimethoxy-4,9-dioxo-4H,9H-naphtho[2,3-b]furan-2-yl}ethyl)-1-oxo-1H-isochromene-3-carboxylate

SMILES: COC(=O)c1cc2cc(CCc3cc4c(o3)C(=O)c3c(O)c(OC)cc(OC)c3C4=O)c(O)c(O)c2c(=O)o1