IUPAC: (2Z)-4,6-dihydroxy-2-[(3,4,5-trihydroxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one
IUPAC: (2Z)-4,6-dihydroxy-2-[(3,4,5-trihydroxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one
SMILES: Oc1cc2O\C(=C/c3cc(O)c(O)c(O)c3)C(=O)c2c(O)c1
SMILES: Oc1cc2O\C(=C/c3cc(O)c(O)c(O)c3)C(=O)c2c(O)c1