Formula: C23H20O6 | Mol. Weight: 392.40 g/mol
IUPAC: 4,15-dihydroxy-7,7,19,19-tetramethyl-2,6,20-trioxapentacyclo[12.8.0.03,12.05,10.016,21]docosa-1(22),3(12),4,8,10,14,16(21),17-octaen-13-one
CC1(C=CC2=CC3=C(C(=C2O1)O)OC4=CC5=C(C=CC(O5)(C)C)C(=C4C3=O)O)C