Formula: C21H22O10 | Mol. Weight: 434.40 g/mol
IUPAC: (2S)-2,6-dihydroxy-2-[(4-hydroxyphenyl)methyl]-7-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-1-benzofuran-3-one
C1=CC(=CC=C1CC2(C(=O)C3=C(O2)C(=C(C=C3)O)C4C(C(C(C(O4)CO)O)O)O)O)O