Formula: C22H22O10 | Mol. Weight: 446.40 g/mol
IUPAC: (3E)-6-hydroxy-3-[(4-hydroxyphenyl)-methoxymethylidene]-7-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-1-benzofuran-2-one
COC(=C1C2=C(C(=C(C=C2)O)C3C(C(C(C(O3)CO)O)O)O)OC1=O)C4=CC=C(C=C4)O