IUPAC: 1,6,7-trihydroxy-3-methoxy-2-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-9H-xanthen-9-one

SMILES: COc1cc2oc3cc(O)c(O)cc3c(=O)c2c(O)c1[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O