Formula: C30H22O11 | Mol. Weight: 558.50 g/mol
IUPAC: (1R,4R,5S,12R,13S)-5,13,16,18-tetrahydroxy-4,12-bis(4-hydroxyphenyl)-3,11,21-trioxapentacyclo[11.8.0.01,10.02,7.015,20]henicosa-2(7),9,15,17,19-pentaene-8,14-dione
C1C(C(OC2=C1C(=O)C=C3C24C(C(O3)C5=CC=C(C=C5)O)(C(=O)C6=C(C=C(C=C6O4)O)O)O)C7=CC=C(C=C7)O)O