Formula: C21H22O11 | Mol. Weight: 450.40 g/mol
IUPAC: (2S)-5,7-dihydroxy-2-(4-hydroxyphenyl)-8-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one
C1C(OC2=C(C1=O)C(=CC(=C2OC3C(C(C(C(O3)CO)O)O)O)O)O)C4=CC=C(C=C4)O