Formula: C21H20O12 | Mol. Weight: 464.40 g/mol
IUPAC: (2Z)-6-hydroxy-4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2-[(3,4,5-trihydroxyphenyl)methylidene]-1-benzofuran-3-one
C1=C(C=C(C(=C1O)O)O)C=C2C(=O)C3=C(O2)C=C(C=C3OC4C(C(C(C(O4)CO)O)O)O)O