Formula: C30H22O11 | Mol. Weight: 558.50 g/mol
IUPAC: (1S,5S,6R,13R)-1,6,9,17,19-pentahydroxy-5,13-bis(4-hydroxyphenyl)-4,12,14-trioxapentacyclo[11.8.0.02,11.03,8.015,20]henicosa-2(11),3(8),9,15,17,19-hexaen-21-one
C1C(C(OC2=C1C(=CC3=C2C4(C(=O)C5=C(C=C(C=C5OC4(O3)C6=CC=C(C=C6)O)O)O)O)O)C7=CC=C(C=C7)O)O